Maintenance and Service Guide HP ProDesk 400 G1 Desktop Mini
© Copyright 2015 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Intel and Pentium are trademarks of Intel Corporation in the U.S. and other countries. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Microsoft, Windows, WIndows 7, and Windows 8.1 are U.S. registered trademarks of the Microsoft group of companies. SD Logo is a trademark of its proprietor.
Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation.
iv Safety warning notice
Table of contents 1 Product Features ........................................................................................................................................... 1 Standard Configuration Features .......................................................................................................................... 1 Desktop mini ........................................................................................................................................ 1 Front panel components .
SATA data cable ................................................................................................................................. 16 SMART ATA drives ................................................................................................................................................ 16 Cable management ..............................................................................................................................................
Before you call for technical support .................................................................................................................. 64 Helpful hints ........................................................................................................................................................ 65 Solving general problems ...................................................................................................................................
Creating recovery discs with HP Recovery Disc Creator (select models only) ............ 105 Creating recovery discs .............................................................................. 105 Backing up your information ........................................................................................ 106 System Restore ............................................................................................................................... 106 System Recovery .............................
1 Product Features Standard Configuration Features Features may vary depending on the model. For support assistance and to learn more about the hardware and software installed on your computer model, run the HP Support Assistant utility. Desktop mini NOTE: The desktop mini can be used in a tower orientation or a desktop orientation.
Front panel components 1 Dual-State Power Button 4 Microphone Connector 2 Hard Drive Activity Light 5 Headphone Connector 3 USB 3.0 Ports NOTE: The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the computer and it is displaying a diagnostic code. Refer to Interpreting POST diagnostic front panel LEDs and audible codes on page 93 for more information.
Rear panel components 1 DisplayPort Monitor Connector 4 USB 2.0 Ports (black) 2 VGA Monitor Connector 5 RJ-45 Network Connector 3 USB 2.0 Ports with enhanced power (black) 6 Power Cord Connector NOTE: The two upper USB ports have additional power capacity to support the Desktop Mini External Expansion Sleeves. NOTE: The two lower USB ports support wake-from-sleep states if that option is enabled in the Computer Setup (F10) utility.
Serial Number Location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance.
2 Illustrated parts catalog Chassis spare parts NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Computer major components Item Description (1) Access panel (2) Front bezel (3) System board (includes replacement thermal material) For use in models without Windows 8.1 For use in models with Windows 8.
Item Description For use in models with Windows 8.1 Professional For use in NetClone models Stand Power supply, 65W, 89% efficiency Memory modules (PC3-12800, 1600-MHz) 8-GB 4-GB Processors (include replacement thermal material) Intel Core i7 4785T (2.2-GHz, 8-MB L3 cache), 35W Intel Core i7 4765T (2.0-GHz, 8-MB L3 cache), 35W Intel Core i5 4590T (2.0-GHz, 6-MB L3 cache), 35W Intel Core i5 4570T (2.9-GHz, 4-MB L3 cache), 35W Intel Core i3 4360T (3.2-GHz, 4-MB L3 cache), 35W Intel Core i3 4350T (3.
Cables Item Description (1) SATA power cable Wireless antenna cables Adapter, DisplayPort to HDMI 1.
Misc parts Item Description (1) Heat sink (2) Fan (3) Speaker (4) LED cover * Antenna cover * HP Ultraslim Keyed Cable Lock * WLAN modules: HP WLAN 802.11 a/b/g/n, 2x2 + Bluetooth 4.0 HP WLAN 802.
Item Description USB Wireless + dongle + mouse Washable Smart card Drives Description Hard drives/Solid-state drives: 1 TB, 7200 rpm, hard drive, 2.5-inch, SSHD (hybrid SSD) 500 GB, 7200 rpm hard drive, 2.5-inch 500 GB, SSHD (hybrid SSD), 2.5-inch 500 GB, 7200 rpm hard drive, 2.5-inch, SED 500 GB, 5400 rpm hard drive, 2.5-inch, FIPS 256 GB solid-state drive (SSD) 256 GB solid-state drive (SSD), self-encrypting (SED) 180 GB solid-state drive (SSD), SATA 6.0, OPAL 1.
3 Routine care, SATA drive guidelines, and disassembly preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage.
Preventing electrostatic damage to equipment Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories. ● To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes. ● Protect all electrostatic parts and assemblies with conductive or approved containers or packaging.
Recommended materials and equipment Materials and equipment that are recommended for use in preventing static electricity include: ● Antistatic tape ● Antistatic smocks, aprons, or sleeve protectors ● Conductive bins and other assembly or soldering aids ● Conductive foam ● Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwea
● Never cover the ventilation slots on the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including sleep states. Routine care General cleaning safety precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. 3.
● If you remove a key, use a specially designed key puller to prevent damage to the keys. This tool is available through many electronic supply outlets. CAUTION: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are improperly removed or installed, the keyboard may not function properly. ● Cleaning under a key may be done with a swab moistened with isopropyl alcohol and squeezed out. Be careful not to wipe away lubricants necessary for proper key functions.
ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their proper location during the reassembly process. Improper cable placement can damage the computer. Hard Drives Handle hard drives as delicate, precision components, avoiding all physical shock and vibration. This applies to failed drives as well as replacement spares.
Jumpers for configuring drive N/A Data transfer rate 6.0 Gb/s SATA hard drive cables SATA data cable Always use an HP approved SATA 6.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 6.0 Gb/s hard drives. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.
4 Removal and replacement procedures Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers. NOTE: HP continually improves and changes product parts.
Access panel 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Loosen the thumbscrew on the rear of the computer (1) then slide the panel forward and lift if off the computer (2). To install the access panel, reverse the removal procedure.
Hard drive Description Hard drives/Solid-state drives 1 TB, 7200 rpm, hard drive, 2.5-inch, SSHD (hybrid SSD) 500 GB, 7200 rpm hard drive, 2.5-inch 500 GB, SSHD (hybrid SSD), 2.5-inch 500 GB, 7200 rpm hard drive, 2.5-inch, SED 500 GB, 5400 rpm hard drive, 2.5-inch, FIPS 256 GB solid-state drive (SSD) 256 GB solid-state drive (SSD), self-encrypting (SED) 180 GB solid-state drive (SSD), SATA 6.0, OPAL 1.0, MLC 180 GB solid-state drive (SSD), SATA 6.
20 3. Disconnect the hard drive power cable (1) and data cable (2) from the system board. 4. Pull the release lever next to the rear of the hard drive outward (1). While pulling the release lever out, slide the drive back until it stops, then lift the drive up and out of the bay (2). 5. To install a hard drive, you must transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive.
6. Transfer the drive cables from the old drive to the new drive. 7. Align the guide screws with the slots on the chassis drive cage, press the hard drive down into the bay, then slide it forward until it stops and locks in place.
8. Connect the hard drive power cable (1) and data cable (2) to the system board. Reverse this procedure to replace the hard drive.
Speaker A single speaker is located on the left side of the computer behind the front bezel, inside the chassis. It is secured by a white peg that you pull out to release. To remove the speaker: 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. From the front of the computer, pull to remove the white peg that secures the speaker (1). 4. Disconnect the speaker cable from the system board connector (2).
5. Lift to remove the speaker from the computer (3). To install the speaker, reverse the removal procedures.
Front bezel The front bezel is secured to the access panel by tabs. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Position the access panel upside-down so you can access the inside of the bezel. 4. Pull down to loose the bottom, interior on the bezel (1). 5. Disengage the tabs on the top, interior of the bezel (2). 6. Remove the bezel from the access panel.
Memory Description 8-GB, PC3-12800, SODIMM 4-GB, PC3-12800, SODIMM The computer comes with double data rate 3 synchronous dynamic random access memory (DDR3-SDRAM) small outline dual inline memory modules (SODIMMs). SODIMMs The memory sockets on the system board can be populated with up to two industry-standard SODIMMs. These memory sockets are populated with at least one preinstalled SODIMM. To achieve the maximum memory support, you can populate the system board with up to 16-GB of memory.
Populating SODIMM sockets There are two SODIMM sockets on the system board, with one socket per channel. The sockets are labeled DIMM1 and DIMM3. The DIMM1 socket operates in memory channel B. The DIMM3 socket operates in memory channel A.
Replacing SODIMMs CAUTION: You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing memory modules while voltage is present may cause irreparable damage to the memory modules or system board. The memory module sockets have gold-plated metal contacts.
5. Slide the new SODIMM into the socket at approximately a 30° angle (1) then press the SODIMM down (2) so that the latches lock it in place. NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. 6. Replace the hard drive and connect the power and data cables to the system board. 7. Replace the access panel. 8. If the computer was on a stand, replace the stand. 9. Reconnect the power cord and turn on the computer. 10.
Replacing the battery The battery that comes with the computer provides power to the real-time clock. When replacing the battery, use a battery equivalent to the battery originally installed in the computer. The computer comes with a 3volt lithium coin cell battery. WARNING! The computer contains an internal lithium manganese dioxide battery. There is a risk of fire and burns if the battery is not handled properly. To reduce the risk of personal injury: Do not attempt to recharge the battery.
a. Pull back on the clip (1) that is holding the battery in place, and lift the battery out of the holder (2). b. Pull back on the clip (1) and slide the replacement battery down into the holder (2). Type 2 a. Push the battery toward the outside of the chassis to release it from the holder and lift it out.
b. Lower the battery so that is next to the holder then push it into the holder. NOTE: 32 After the battery has been replaced, use the following steps to complete this procedure. 5. Replace the computer access panel. 6. Plug in the computer and turn on power to the computer. 7. Reset the date and time, your passwords, and any special system setups using Computer Setup. 8. Lock any security devices that were disengaged when the computer access panel was removed.
Heat sink The heat sink is secured with four captive Torx screws. Be sure to remove and replace the screws in the order indicated on the heat sink. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. In the order indicated on the heat sink, loosen the four captive Torx screws (1), and then lift the heat sink out of the computer (2). CAUTION: sink.
Processor Description Intel Core i7 4785T (2.2-GHz, 8-MB L3 cache), 35W Intel Core i7 4765T (2.0-GHz, 8-MB L3 cache), 35W Intel Core i5 4590T (2.0-GHz, 6-MB L3 cache), 35W Intel Core i5 4570T (2.9-GHz, 4-MB L3 cache), 35W Intel Core i3 4360T (3.2-GHz, 4-MB L3 cache), 35W Intel Core i3 4350T (3.1-GHz, 4-MB L3 cache), 35W Intel Core i3 4330T (3.0-GHz, 4-MB L3 cache), 35W Intel Core i3 4160T (3.1-GHz, 3-MB L3 cache), 35W Intel Core i3 4150T (3.0-GHz, 3-MB L3 cache), 35W Intel Core i3 4130T (2.
6. Carefully lift the processor from the socket (3). CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling them could cause irreparable damage. Once pins are damaged it may be necessary to replace the system board. The heat sink must be installed within 24 hours of installing the processor to prevent damage to the processor’s solder connections. To replace the processor, reverse the removal procedures.
Fan The fan sits between the fan sink and the rear of the computer. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the heat sink (Heat sink on page 33). 4. Disconnect the fan cable from the system board connector labeled CHFAN (1). 5. Remove the four Torx screws that secure the fan to the computer (2). 6. Remove the fan from the computer. To install the fan, reverse the removal procedure.
Drive cage The drive cage is located next to the heat sink. The drive cage is secured with three slotted Torx screws. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the three screws (1) that secure the drive cage to the computer.
4. Lift the drive cage up and out of the computer (2). To install the drive cage, reverse the removal procedure.
WLAN module Description HP WLAN 802.11 a/b/g/n, 2x2 + Bluetooth 4.0 HP WLAN 802.11 a/b/g/n, 2x2 The WLAN module is located near the memory modules. The WLAN module is secured with one slotted Torx screw and has two connected antennas. NOTE: WLAN module appearance may vary. 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the hard drive (Hard drive on page 19). 4.
7. Pull the module to remove it from the socket (3). To install the WLAN module, reverse the removal procedure. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion.
M.2 solid-state drive Description 128 GB solid-state drive (SSD), M.2 The M.2 SSD is secured with one slotted Torx screw. It is located under the heat sink and fan. To remove the M.2 SSD: 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the hard drive (Hard drive on page 19). 4. Remove the drive cage (Drive cage on page 37). 5. Remove the heat sink (Heat sink on page 33). 6.
8. Lift the module to a 45-degree angle, and then pull it away to remove it from the socket. To install the M.2 SSD, reverse the removal procedures. NOTE: M.2 SSDs are designed with a notch to prevent incorrect insertion.
External antennas (select models only) The external connection antennas route from the WLAN module to the cable connectors on the rear of the computer. To install the antennas: 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the hard drive (Hard drive on page 19). 4. Remove the drive cage (Drive cage on page 37). 5. Remove the heat sink (Heat sink on page 33). 6. Remove the fan (Fan on page 36). 7.
9. Connect the connector on the end of the black antenna cable to the connector labeled ‘1’ on the WLAN module. 10. Route the white cable using the hooks connected to the chassis. Note the correct cable routing in the following image.
Properly installed, the white antenna routes under the fan and hard drive SATA cables.
System board NOTE: All system board spare part kits include replacement thermal material. NOTE: System board appearance may vary. Description System board for use in models without Windows 8.1 System board for use in models with Windows 8.1 Standard System board for use in models with Windows 8.1 Professional System board for use in NetClone models 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3.
13. Lift the left side of the system board, and then remove it from the computer (2). To install the system board, reverse the removal procedures. NOTE: When replacing the system board, you must change the chassis serial number in the BIOS. Updating SMBIOS Information When replacing the system board, you must reprogram the SMBIOS information on the affected computer.
5. If necessary, press Ctrl+A to initiate edit mode. 6. Edit the fields listed. If the feature byte has data or is not editable, then it was not cleared and cannot be edited. System ID Setup Page Setup Field Name Comment Label Product Name Enter the Model name/number or marketing name. Flexbuild Serial Number Enter the Serial Number of Unit. Support SKU Number Enter the SKU or Product Number including Localization Code.
System board callouts Sys Bd Label Color Component Sys Bd Label Color Component BAT Black RTC battery SATA0 Blue Hard drive data connector XU1 Black Processor CMOS Yellow CMOS reset button DIMM3 Black Secondary memory socket SATAPWR0 White Hard drive power connector DIMM1 Black Primary memory socket CPUFAN White Fan connector SPKR White Speaker connector PSWD Black/blue Password header and jumper M.2 Black WLAN module socket M.
WLAN antennas The antennas route from the WLAN module to the cable connectors on the rear of the computer. To install the antennas: 50 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Remove the hard drive (Hard drive on page 19). 4. Remove the drive cage (Drive cage on page 37). 5. Remove the heat sink (Heat sink on page 33). 6. Remove the fan (Fan on page 36). 7.
9. Remote the antenna cables from their routing paths underneath the keyboard. Note the locations the cables are taped to the chassis as shown in the following image. 10. On the rear of the computer, remove the antenna cover by pressing on the tab on the top of the cover (1), and then rotating the cover off the computer (2).
11. Antenna transceivers are connected to the front and back of the computer as shown in the following image. 12. Remove the front transceiver from the inside of the computer by pressing the tab to disengage the transceiver and removing the transceiver (arrow in following image points to the tabs on the inside of the computer).
13. Remove the rear transceiver from the inside of the computer by pressing the tab to disengage the transceiver and removing the transceiver (arrow in following image points to the tabs on the inside of the computer). Reverse the removal procedure to install the WLAN antennas and transceivers.
Changing from desktop to tower configuration The computer can be used in a tower orientation with an optional tower stand that can be purchased from HP. 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as a USB flash drive, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices.
5 Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices. ● Modify the boot order of bootable devices such as hard drives, optical drives, or USB flash media devices.
Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning the computer on or restarting the system. To access the Computer Setup Utilities menu, complete the following steps: 1. Turn on or restart the computer. 2. Repeatedly press F10 when the monitor light turns green to access the utility. You can also press Esc to a menu that allows you to access different options available at startup, including the Computer Setup utility.
Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-1 Computer Setup—File Option Description System Information Lists: ● Manufacturer ● Product name ● SKU number ● Born on Date ● System board ID and CT number ● BIOS Revision ● BIOS Date ● Processor type and speed ● Installed memory size/speed, number of channels (single or dual) (if applicable) About Displays copyright notice.
Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-2 Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented: ● Storage Options Hard Disk: Size, model, firmware version, serial number.
Table 5-2 Computer Setup—Storage (continued) displayed. Use the arrow keys to select the preferred bootable device and press Enter. The computer then boots from the selected non-default device for this one time. Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-3 Computer Setup—Security Option Description Setup Password Allows you to set and enable a setup (administrator) password.
Table 5-3 Computer Setup—Security (continued) Network Boot Enables/disables the computer’s ability to boot from an operating system installed on a network server. Default is enabled. System IDs Allows you to set: System Security (these options are hardware dependent) ● Product Name ● Serial Number ● Asset tag (18-byte identifier), a property identification number assigned by the company to the computer. ● Ownership tag (80-byte identifier) displayed during POST.
Table 5-3 Computer Setup—Security (continued) ● Allow PPI policy to be changed by OS. Enabling this option allows the operating system to execute TPM operations without Physical Presence Interface. Default is disabled. NOTE: DriveLock Security To enable this option, a Setup password must be set. Allows you to assign or modify a master or user password for hard drives. When this feature is enabled, the user is prompted to provide one of the DriveLock passwords during POST.
Table 5-4 Computer Setup—Power (continued) Hardware Power Management ◦ S0 (On) = Solid white LED. ◦ S3 (Stand By)= 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (white LED) — repeated cycles of 3 blinks and a pause. ◦ S4 (Hibernation)= 4 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (white LED) — repeated cycles of 4 blinks and a pause. ◦ S5 (Soft Off) = LED is off. SATA Power Management – Enables or disables SATA bus and/or device power management.
Table 5-5 Computer Setup—Advanced (for advanced users) (continued) Select the Legacy device's IRQ, DMA, and I/O Range. The settings may not take effect for all operating systems. To hide a device from the operating system, see Security > Device Security. Bus Options Device Options Allows you to enable or disable: ● PCI SERR# Generation. Default is enabled.
6 Troubleshooting without diagnostics This chapter provides information on how to identify and correct minor problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions. NOTE: For information on specific error messages that may appear on the screen during Power-On SelfTest (POST) at startup, refer to Appendix A, POST error messages on page 89.
If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that your service call is handled properly: ● Be in front of your computer when you call. ● Write down the computer serial number, product ID number, and monitor serial number before calling. ● Spend time troubleshooting the problem with the service technician. ● Remove any hardware that was recently added to your system. ● Remove any software that was recently installed.
CAUTION: When the computer is plugged into an AC power source, there is always voltage applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. Solving general problems You may be able to easily resolve the general problems described in this section.
Computer date and time display is incorrect. Cause Solution NOTE: Connecting the computer to a live AC outlet prolongs the life of the RTC battery. Replacement section for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. To access Control Panel in Windows 7, select Start, and then select Control Panel. To access Control Panel in Windows 8.1, from the Start screen, type c, and then select Control Panel from the list of applications.
Poor performance. Cause Solution Program previously accessed did not release reserved memory back to the system. Restart the computer. Virus resident on the hard drive. Run virus protection program. Too many applications running. Windows 7: 1. Close unnecessary applications to free up memory. 2. Add more memory. 3. Some applications run in the background and can be closed by right-clicking on their corresponding icons in the task tray.
Solving hard drive problems Hard drive error occurs. Cause Solution Hard disk has bad sectors or has failed. 1. In Windows 7, click Start, click Computer, and right-click on a drive. Select Properties, and then select the Tools tab. Under Error-checking click Check Now. In Windows 8.1, on the Start screen type e, and then select File Explorer from the list of applications. In the left column, expand Computer, right-click on a drive, select Properties, and then select the Tools tab.
Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from the hard drive but the hard drive may have been damaged. ▲ Perform Drive Protection System (DPS) testing in system ROM. System files missing or not properly installed. 1. Insert bootable media and restart the computer. 2. Boot to the windows installation media and select the recovery option. If only a restore kit is available, then select the File Backup Program option, and then restore the system. 3.
Solving display problems If you encounter display problems, see the documentation that came with the monitor and to the common causes and solutions listed in the following table. Blank screen (no video). Cause Solution Monitor is not turned on and the monitor light is not on. Turn on the monitor and check that the monitor light is on. Bad monitor. Try a different monitor. The cable connections are not correct. Check the cable connection from the monitor to the computer and to the electrical outlet.
Blank screen and the power LED flashes red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution 4. Replace the system board. Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Pre-video graphics error.
The picture is broken up, rolls, jitters, or flashes. Cause Monitor needs to be degaussed. Solution 2. In a two-monitor system or if another monitor is in close proximity, be sure the monitors are not interfering with each other’s electromagnetic field by moving them apart. 3. Fluorescent lights or fans may be too close to the monitor. Degauss the monitor. Refer to the documentation that came with the monitor for instructions. Image is not centered. Cause Solution Position may need adjustment.
“Out of Range” displays on screen. Cause Solution 2. Select Change PC Settings, select General, and then under Advanced startup, click Restart now. 3. Select Troubleshoot, select Advanced options, select Startup Settings, and then click Restart. 4. Use the function keys or number keys to select the safe mode option you want. When your computer is in safe mode, Safe Mode displays in the corners of your monitor. To exit safe mode, restart your computer and let Windows start normally.
Solving audio problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Sound cuts in and out. Cause Solution Processor resources are being used by other open applications. Shut down all open processor-intensive applications. Sound does not come out of the speaker or headphones. Cause Solution Software volume control is turned down or muted.
Computer appears to be locked up while recording audio. Cause Solution The hard disk may be full. Before recording, make sure there is enough free space on the hard disk. You can also try recording the audio file in a compressed format. Line-in jack is not functioning properly. Cause Solution Jack has been reconfigured in the audio driver or application software. In the audio driver or application software, reconfigure the jack or set the jack to its default value.
Solving printer problems If you encounter printer problems, see the documentation that came with the printer and to the common causes and solutions listed in the following table. Printer will not print. Cause Solution Printer is not turned on and online. Turn the printer on and make sure it is online. The correct printer drivers for the application are not installed. 1. Install the correct printer driver for the application. 2. Try printing using the MS-DOS command: DIR C:\ > [printer port] where [
Solving keyboard and mouse problems If you encounter keyboard or mouse problems, see the documentation that came with the equipment and to the common causes and solutions listed in the following table. A wireless keyboard/mouse is not working correctly. Symptoms include lagging mouse movement, jumpy mouse/keyboard, or no function of mouse/keyboard and external drive. Cause Solution If your computer is equipped with USB 3.0 ports, connected USB 3.
Mouse does not respond to movement or is too slow. Cause Solution Windows 8.1: 1. Press the Windows logo + l to open the Settings charm. 2. Use the arrow keys to select Power, and then press Enter. 3. Use the arrow keys to select Shut Down, and then press Enter. 4. After the shutdown is complete, plug the mouse connector into the back of the computer (or the keyboard) and restart. Program in use has stopped responding to commands.
Table 6-1 Solving Hardware Installation Problems A new device is not recognized as part of the system. Cause Solution Device is not seated or connected properly. Ensure that the device is properly and securely connected and that pins in the connector are not bent down. Cable(s) of new external device are loose or power cables are unplugged. Ensure that all cables are properly and securely connected and that pins in the cable or connector are not bent down.
Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution 2. Replace DIMMs one at a time to isolate the faulty module. NOTE: DIMM1 or XMM1 must always be installed. DIMM1 must be installed before DIMM2. 3. Replace third-party memory with HP memory. 4. Replace the system board.
Network driver does not detect network controller. Cause Solution Network controller is disabled. 1. Run Computer Setup and enable network controller. 2. Enable the network controller in the operating system using Device Manager. To access Device Manager in Windows 7, click Start, select Control Panel, and then select Device Manager. To access Device Manager in Windows 8.1, from the Start screen, type c, select Control Panel from the list of applications, and then select Device Manager.
Table 6-2 Solving Network Problems (continued) Diagnostics reports a failure. Cause Solution The cable is attached to the incorrect connector. Ensure that the cable is attached to the correct connector. There is a problem with the cable or a device at the other end of the cable. Ensure that the cable and device at the other end are operating correctly. Network controller interrupt is shared with an expansion board. Under the Computer Setup Advanced menu, change the resource settings for the board.
Cannot connect to network server when attempting Remote System Installation. Cause Solution The network controller is not configured properly. Verify Network Connectivity, that a DHCP Server is present, and that the Remote System Installation Server contains the NIC drivers for your NIC. System setup utility reports unprogrammed EEPROM. Cause Solution Unprogrammed EEPROM. Contact an authorized service provider.
Memory count during POST is wrong. Cause Solution The memory modules may not be installed correctly. Check that the memory modules have been installed correctly and that proper modules are used. Integrated graphics may use system memory. No action required. Insufficient memory error during operation. Cause Solution Too many Terminate and Stay Resident programs (TSRs) are installed. Delete any TSRs that you do not need. You have run out of memory for the application.
System will not boot from USB flash drive. Cause Solution Boot order is not correct. Run the Computer Setup utility and change boot sequence in Storage > Boot Order. Removable Media Boot is disabled in the Computer Setup utility. Run the Computer Setup utility and enable booting to removable media in Storage > Storage Options. Ensure USB is enabled in Storage > Boot Order. The computer boots to DOS after making a bootable flash drive. Cause Solution Flash drive is bootable.
Unable to connect to the Internet. Cause Solution 2. Click Internet Options. 3. In the Browsing history section on the General tab, click the Delete button. 4. Select the Cookies check box and click the Delete button. Cannot automatically launch Internet programs. Cause Solution You must log on to your ISP before some programs will start. Log on to your ISP and launch the desired program.
Computer will not continue after HP logo screen displays. Cause Solution Windows installation disc or a system repair disc that you created earlier. In Windows 8.1, use Automatic Repair to fix problems that might prevent Windows from starting correctly. To access Automatic Repair: 1. Press the Windows logo + l to open the Settings charm. 2. Select Change PC Settings, select General, and then under Advanced startup, click Restart now. 3.
7 POST error messages This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages during POST, such as memory count and nonerror text messages. If a POST error occurs, the screen will display the error message.
Control panel message Description Recommended action See the Removal and Replacement section for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement. 163-Time & Date Not Set Invalid time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. 163-Time & Date Not Set CMOS jumper may not be properly installed. Check for proper placement of the CMOS jumper if applicable.
Control panel message Description Recommended action 303-Keyboard Controller Error I/O board keyboard controller. 1. Reconnect keyboard with computer turned off. 2. Replace the system board. 1. Reconnect the keyboard with computer turned off. 2. Ensure that none of the keys are depressed. 3. Replace the keyboard. 4. Replace the system board. 1. Clear CMOS. (See Appendix B, Password security and resetting CMOS on page 95.) 2. Verify monitor is attached and turned on.
Control panel message 2219-USB Key Provisioning file has invalid header identifier 2220-USB Key Provisioning file has mismatch version Provisioning file contained on the USB key has been corrupted or is not a valid version for the current ME firmware. Provisioning file contained on the USB key is not a valid version for the current ME firmware. Recommended action 2. If the error persists and system BIOS has been recently updated, restore previous system BIOS version. 3.
Interpreting POST diagnostic front panel LEDs and audible codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
Activity Beeps Possible cause Recommended action Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. 6 Pre-video graphics error. Replace the system board. Red Power LED flashes seven times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. 7 System board failure (ROM detected failure prior to video).
8 Password security and resetting CMOS This computer supports security password features, which can be established through the Computer Setup Utilities menu. This computer supports two security password features that are established through the Computer Setup Utilities menu: setup password and power-on password. When you establish only a setup password, any user can access all the information on the computer except Computer Setup.
1. Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power outlet. 2. With the power cord disconnected, press the power button again to drain the system of any residual power. WARNING! To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet, and allow the internal system components to cool before touching.
3. When the key icon appears, type your current password, a slash (/) or alternate delimiter character, your new password, another slash (/) or alternate delimiter character, and your new password again as shown: current password/new password/new password NOTE: 4. Type the new password carefully since the characters do not appear on the screen. Press Enter. The new password will take effect the next time the computer is restarted.
CAUTION: Pushing the CMOS button will reset CMOS values to factory defaults. It is important to back up the computer CMOS settings before resetting them in case they are needed later. Back up is easily done through Computer Setup. See Computer Setup (F10) Utility on page 55 for information on backing up the CMOS settings. 4. Locate, press, and hold the CMOS button in for five seconds. NOTE: Make sure you have disconnected the AC power cord from the wall outlet.
9 HP PC Hardware Diagnostics To help troubleshoot and diagnose failures, use the UEFI-based hardware diagnostic solution that HP includes on all products. This tool can even be used if the computer will not boot to the operating system. Why run HP PC Hardware Diagnostics The HP PC Hardware Diagnostic tools simplify the process of diagnosing hardware issues and expedite the support process when issues are found. The tools save time by pinpointing the component that needs to be replaced.
1. Go to http://www.hp.com. 2. Point to Support, located at the top of the page, and then click Download Drivers. 3. In the text box, enter the product name, and then click Go. – or – Click Find Now to let HP automatically detect your product. 4. Select your computer model, and then select your operating system. 5. In the Diagnostic section, click HP UEFI Support Environment. 6. Click Download, and then select Run.
10 System backup and recovery Backing up, restoring, and recovering in Windows 8.1 or Windows 8 Your computer includes tools provided by HP and Windows to help you safeguard your information and retrieve it if you ever need to. These tools will help you return your computer to a proper working state or even back to the original factory state, all with simple steps.
Using Reset when the system is not responding NOTE: You may be prompted by User Account Control for your permission or password when you perform certain tasks. To continue a task, select the appropriate option. For information about User Account Control, see Help and Support. From the Start screen, type help, and then select Help and Support. IMPORTANT: Reset does not provide backups of your information. Before using Reset, back up any personal information you wish to retain.
Recovery using Windows operating system media (purchased separately) To order a Windows operating system DVD, contact support. Go to http://www.hp.com/support, select your country or region, and follow the on-screen instructions. CAUTION: Using Windows operating system media completely erases the hard drive contents and reformats the hard drive. All files that you have created and any software that you have installed on the computer are permanently removed.
1. After you successfully set up the computer, create recovery media. This media can be used to reinstall the original operating system in cases where the hard drive is corrupted or has been replaced. See Creating recovery media on page 104. 2. As you add hardware and software programs, create system restore points. A system restore point is a snapshot of certain hard drive contents saved by Windows System Restore at a specific time.
NOTE: Do not use media cards for creating recovery media. The system may not be able to boot up from a media card and you may not be able to run system recovery. To create recovery discs: 1. Close all open programs. 2. Click the Start button, click All Programs, click Security and Protection, click Recovery Manager, and then click HP Recovery Media Creation. If prompted, click Yes to allow the program to continue. 3. Click Create recovery media using blank DVD(s), and then click Next. 4.
1. Select Start > All Programs > Productivity and Tools > HP Recovery Disc Creator. 2. Select Windows disk. 3. From the drop-down menu, select the drive for burning the recovery media. 4. Click the Create button to start the burning process. Label the disc after you create it, and store it in a secure place. After the Windows 7 operating system DVD has been created, create the Driver Recovery DVD: 1. Select Start > All Programs > Productivity and Tools > HP Recovery Disc Creator. 2.
1. Close all open programs. 2. Click the Start button, right-click Computer, and then click Properties. 3. Click System protection, System Restore, click Next, and then follow the on-screen instructions. System Recovery WARNING! This procedure will delete all user information. To prevent loss of information, be sure to back up all user information so you can restore it after recovery.
6. Under I need help immediately, click System Recovery. 7. Select Yes, and then click Next. Your computer restarts. 8. When the computer restarts, you will see the Recovery Manager welcome screen again. Under I need help immediately, click System Recovery. If you are prompted to back up your files, and you have not done so, select Back up your files first (recommended), and then click Next. Otherwise, select Recover without backing up your files, and then click Next. 9. System Recovery begins.
6. If Recovery Manager asks if you want to run System Recovery from Media or Hard Drive, select Media. On the Welcome screen, under I need help immediately, click Factory Reset. 7. If you are prompted to back up your files, and you have not done so, select Back up your files first (recommended), and then click Next. Otherwise, select Recover without backing up your files, and then click Next. 8. If you are prompted to insert the next recovery disc, do so. 9.
After the repair is completed: 1. Eject the Windows 7 operating system DVD and then insert the Driver Recovery DVD. 2. Follow the on-screen instructions to install the Hardware Enabling Drivers first, and then install Recommended Applications.
A Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.
Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) IMQ Austria (1) OVE Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) CSA Sweden (1) SEMKO Denmark (1) DEMKO Switzerland (1) SEV Finland (1) SETI United Kingdom (1) BSI France (1) UTE United States (2) UL Germany (1) VDE 1.
B Statement of Volatility HP confirms that AMD-based business desktop HP EliteDesk 400 G1 systems contain DDR3 volatile memory (memory amount depends on the customer configuration).
10. To clear the Setup or Power-On passwords if set, and clear any other settings, power down the computer and remove the AC power cord and the computer hood. 11. Locate the green/blue two pin password jumper on header E49 (labeled PSWD) and remove it. 12. Remove the AC power, wait 10 seconds until the unit AC power has drained out, then press the clear CMOS button. This is typically a yellow push button (labeled CMOS). 13. Replace the hood and AC power cord and turn the computer on.
C Specifications Table C-1 Specifications Dimensions (with stand) Height 6.9 in 175 mm Width 7.0 in 177 mm Depth 1.3 in 34 mm Approximate Weight 2.9 lb 1.3 kg Operating 50° to 95°F 10° to 35°C Nonoperating -22° to 140°F -30° to 60°C Temperature Range NOTE: Operating temperature is derated 1.0° C per 300 m (1000 ft) to 3000 m (10,000 ft) above sea level; no direct sustained sunlight. Maximum rate of change is 10° C/Hr.
Index A access panel illustrated 5 removal and replacement antenna cover 8 audible codes 93 audio problems 75 18 B backup and recovery, Windows 7 103 Backup and Restore, Windows 7 106 backups creating Windows 7 104, 106 battery disposal 15 removal and replacement 30 battery replacement 30 beep codes 93 booting options Full Boot 89 Quick Boot 89 C cable management 16 cable pinouts, SATA data 16 cautions AC power 10 cables 15 electrostatic discharge 10 keyboard cleaning 13 keyboard keys 14 changing a Power-
L LED cover illustrated 8 LEDs blinking PS/2 keyboard 93 M memory installation 26 problems 84 removal and replacement socket population 27 specifications 26 memory modules illustrated 6 monitor problems 71 mouse cleaning 14 problems 78 28 N network problems 81 numeric error codes 89 O operating guidelines 12 operating system media, Windows 8 103 operating system media, Windows 8.
system restore points, creating Windows 7 104 System Restore, Windows 7 106 T temperature control 12 tools, servicing 14 Torx T15 screwdriver 14 tower conversion 54 V ventilation, proper 12 W Wake-on-LAN feature 81 Windows 7 backing up information 106 backup and recovery 103 Backup and Restore 106 creating backups 104 creating recovery media 104 creating system restore points 104 hard drive recovery 107 Help and Support 103 steps for creating recovery discs 105 steps for creating recovery media 104 steps fo
