Dell OptiPlex 7020 Mini Tower Owner's Manual Regulatory Model: D13M Regulatory Type: D13M001
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws.
Contents 1 Working on Your Computer................................................................................5 Before Working Inside Your Computer................................................................................................ 5 Turning Off Your Computer..................................................................................................................6 After Working Inside Your Computer......................................................................................
Installing the Thermal Sensor............................................................................................................. 24 Removing the Power Switch.............................................................................................................. 24 Installing the Power Switch................................................................................................................ 26 Removing the Input/Output (I/O) Panel...................................................
Working on Your Computer 1 Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • You have read the safety information that shipped with your computer. • A component can be replaced or--if purchased separately--installed by performing the removal procedure in reverse order.
To avoid damaging your computer, perform the following steps before you begin working inside the computer. 1. Ensure that your work surface is flat and clean to prevent the computer cover from being scratched. 2. Turn off your computer (see Turning Off Your Computer). CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. 3. Disconnect all network cables from the computer. 4.
2. 2. Click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down.. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.
Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe Front and Back View Figure 1. Front and Back View Of Mini-Tower 1. power button or power light 2. flex bay 3. microphone connector 4. headphone connector 5. hard-drive activity light 6.
15. expansion-card slots 16. security-cable slot 17. padlock ring 18. mouse connector 19. network connector 20. serial connector 21. line-out connector Removing the Cover 1. Follow the procedures in Before Working Inside Your Computer. 2. Pull up the cover release latch, and lift the cover upwards to remove it from the computer. Installing the Cover 1. Align the cover along its tabs on the chassis of the computer. 2. Press down on the cover till it clicks into place. 3.
Installing the Intrusion Switch 1. Insert the intrusion switch into its place in the chassis rear and slide it towards the top to secure it. 2. Connect the intrusion cable to the system board. 3. Install the cover. 4. Follow the procedures in After Working Inside Your Computer. Removing the Wireless Local Area Network (WLAN) Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the screws that secure the antenna to the computer. 4.
5. Press the blue tab and lift the latch outwards and remove the WLAN card from the connector on the system board. Installing the Wireless Local Area Network (WLAN) Card 1. Insert the WLAN card into the connector on the system board and press down until it is secured. 2. Affix the latch. 3. Place the antenna puck on the connector and tighten the screws to secure it to the computer. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer.
Removing the Front Bezel 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Gently pry the front panel retention clips away from the chassis located at the edge of front panel. 4. Rotate the front panel away from the computer to release the hooks on the opposite edge of the panel from the chassis. Installing the Front Bezel 1. Insert the hooks along the bottom edge of the front bezel into the slots on the chassis front. 2.
4. Pull the release lever away from the PCI x16 card until you release the securing tab from the dent in the card. Lift the card out of its connector and remove it from the system board. Installing the Expansion Card 1. Insert the expansion card in the connector on the system board and press down until secured. 2. Push the retention latch back to its position. 3. Install the cover. 4. Follow the procedures in After Working Inside Your Computer.
Memory Module Guidelines To ensure optimal performance of your computer, observe the following general guidelines when configuring your system memory: • Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must have identical configurations. • Memory modules must be installed beginning with the first socket. NOTE: The memory sockets in your computer may be labeled differently depending on the hardware configuration. For example, A1, A2 or 1,2,3.
Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. cover b. expansion card(s) 3. Locate the coin-cell battery on the system board. 4. Press the release latch away from the battery to allow the battery to pop-up from the socket and lift the coin-cell battery out of the computer. Installing the Coin-Cell Battery 1.
Removing the Hard Drive 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Disconnect the data cable and the power cable from the back of the hard drive. Press the blue securing-bracket tabs inwards and lift the hard-drive bracket out of the hard-drive bay. 4. Flex the hard-drive bracket and remove the hard drive from the hard-drive bracket. Installing the Hard Drive 1. Insert the hard drive into the hard-drive bracket. 2.
Removing the Optical Drive 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. cover b. front bezel 3. Disconnect the data cable and the power cable from the back of the optical drive. 4. Slide and hold the optical-drive latch to unlock the optical drive and pull the optical drive out of the computer. 5. Repeat steps 3 and 4 to remove the second optical drive (if available).
Installing the Optical Drive 1. Push the optical drive from the front toward the back of the computer till it is secured by the opticaldrive latch. 2. Connect the data cable and power cable to the back of the optical drive. 3. Install: a. front bezel b. cover 4. Follow the procedures in After Working Inside Your Computer. Removing the Speaker 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Disconnect and release the speaker cable from system board.
Removing the Power Supply 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Disconnect the 4-pin and 8-in power cables from the system board and release the cable from the tab. 4. Remove the screws that secure the power supply to the back of the computer. 5. Push in on the blue release tab beside the power supply, and slide the power supply towards the front of the computer. Lift and remove the power supply out of the computer.
Installing the Power Supply 1. Place the power supply in the chassis and slide towards the back of the system to secure it. 2. Tighten the screws to secure the power supply to the back of the computer. 3. Connect the 4-pin and 8-pin power cables to the system board. 4. Thread the power cables through the chassis clips. 5. Install the cover. 6. Follow the procedures in After Working Inside Your Computer. Removing the Heat Sink Assembly 1.
Installing the Heat Sink Assembly 1. Place the heat sink assembly into the chassis. 2. Tighten the captive screws in diagonal order to secure the heat sink assembly to the computer. 3. Connect the fan cable to the system board. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer. Removing the Processor 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a. cover b. heat-sink assembly 3.
Removing the System Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Press the clip to release and disconnect the system-fan cable from the system board. 4. Pry and remove the system fan away from the four grommets securing it to the back of the computer.
Installing the System Fan 1. Place the system fan in the chassis. 2. Pass the four grommets through the chassis and slide outward along the groove to secure in place. 3. Connect the system-fan cable to the system board. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer. Removing the Thermal Sensor 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Disconnect the thermal-sensor cable from the system board. 4.
Installing the Thermal Sensor 1. Secure the thermal sensor to the chassis. 2. Thread the thermal-sensor cable into the chassis clips. 3. Connect the thermal-sensor cable to the system board. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer. Removing the Power Switch 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a. cover b. front bezel c. optical drive 3. 24 Disconnect the power-switch cable from the system board.
4. Release the power-switch cable from the chassis clips. 5. Press the clips on both side of the power switch to release it from the chassis and, slide to remove the power switch along its cable from the computer.
Installing the Power Switch 1. Slide the power switch in through the front of the computer. 2. Secure the power-switch cable to the chassis. 3. Thread the power-switch cable into the chassis clips. 4. Connect the power-switch cable to the system board. 5. Install the: a. optical drive b. front bezel c. cover 6. Follow the procedures in After Working Inside Your Computer. Removing the Input/Output (I/O) Panel 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a.
4. Unthread and release the I/O Panel, data cable and USB data cable from the clip on the computer. 5. Remove the screw that secures the I/O panel to the computer. 6. Slide the I/O panel towards the left of the computer to release it and pull the I/O panel along with its cable out of the computer.
Installing the Input/Output (I/O) Panel 1. Insert the I/O panel into the slot on the chassis front. 2. Slide the I/O panel towards the right of the computer to secure to the chassis. 3. Tighten the screw to secure the I/O panel to the chassis. 4. Thread the I/O panel, data cable and USB data cable into the chassis clip. 5. Connect the I/O panel, data cable and USB data cable to the system board. 6. Install : a. front bezel b. cover 7. Follow the procedures in After Working Inside Your Computer.
5. Tilt the system board at 45–degrees, and then lift the system board out of the computer. Installing the System Board 1. Align the system board to the port connectors on the rear of the chassis and place the system board in the chassis. 2. Tighten the screws securing the system board to the chassis. 3. Connect the cables to the system board. 4. Install the: a. b. c. d. e. 5. processor heat-sink assembly expansion card(s) memory cover Follow the procedures in After Working Inside Your Computer.
1. PCI Express x16 slot (wired as X4) 2. PCI slot 3. PCIe x1 slot 4. coin-cell battery 5. PCI Express x16 slot 6. intrusion switch connector 7. 4–pin CPU power connector 8. system-fan connector 9. processor socket 10. heatsink-fan connector 11. memory connectors ( SODIMM sockets) 12. front power-switch connector 13. 8–pin power connector 14. SATA connectors 15. HDD and optical drive power connector 16. SATA connectors 17. front panel USB connector 18. front panel audio connector 19.
System Setup 3 System Setup enables you to manage your computer hardware and specify BIOS‐level options.
Table 1. Navigation Keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Allows you to select a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop‐down list, if applicable. Moves to the next focus area. NOTE: For the standard graphics browser only. Moves to the previous page till you view the main screen.
Option Description • UEFI Advance Boot Options Enable Legacy Option ROMs - This option is enabled by default. Date/Time Allows you to set the date and time. The changes to the system date and time takes effect immediately. Table 3. System Configuration Option Description Integrated NIC Allows you to enable or disable the integrated network card.
Option Description If USB port is enabled, device attached to this port is enabled and available for operation system. If USB port is disabled, the operation system cannot see any device attached to this port. USB configuration: For Mini-Tower, Small Form Factor the options are: • • • • • Enable Boot Support Enable Front USB 2.0 Ports Enable USB 3.0 Ports Enable Rear—Left Dual USB 2.0 Ports Enable Rear —Right Dual USB 2.
Option Description NOTE: The system will always prompt for the system and internal HDD passwords when powered on from the off state (a cold boot). Also, the system will always prompt for passwords on any module bay HDDs that may be present. Password Change Allows you to determine whether changes to the system and hard disk passwords are permitted when an administrator password is set. • TPM Security Allow Non-Admin Password Changes - This option is enabled by default.
Table 5. Secure Boot Secure Boot Enable Allows you to enable or disable Secure Boot feature • • Disabled - This option is selected by default. Enabled NOTE: To enable secure boot, UEFI boot mode must be enabled and Enable Legacy Option ROMs must be disabled or turned off. Expert key Management Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom Mode option is disabled by default.
Option Description NOTE: Some Operating system will not complete installation when the maximum CPUID Function is greater than 3. Intel TurboBoost Allows you to enable or disable Intel TurboBoost mode of the processor. • • Rapid Start Technology Disabled - Does not allow the TurboBoost driver to increase the performance state of the processor above the standard performance. Enabled - Allows the Intel TurboBoost driver to increase the performance of the CPU or graphics processor.
Option Description This option is disabled by default. Fan Control Override Controls the speed of the system fan. This option is disabled by default. NOTE: When enabled, the fan runs at full speed. USB Wake Support This option allows you to enable USB devices to wake the computer from standby. • Wake on LAN Enable USB Wake Support - This option is selected by default. This option allows the computer to power up from the off state when triggered by a special LAN signal.
Option Description • VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional hardware capabilities provided by Intel® Virtualization technology for direct I/O. • Trusted Execution Enable Intel Virtualization Technology - This option is enabled by default. Enable Intel Virtualization Technology for Direct I/O - This option is enabled by default.
Option Description NOTE: This field is only relevant when the Integrated NIC control in the System Configuration group is set to Enable with Cloud Desktop. Client Address Method Specifies how the client obtains the IP address. • • Static IP DHCP - This option is enabled by default. NOTE: This field is only relevant when the Integrated NIC control in the System Configuration group is set to Enable with Cloud Desktop. Client IP Address Specifies the static IP address of the client.
Updating the BIOS It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet 1. Re-start the computer. 2. Go to dell.com/support. 3. Enter the Service Tag or Express Service Code and click Submit. NOTE: To locate the Service Tag, click Where is my Service Tag? NOTE: If you cannot find your Service Tag, click Detect My Product.
System and Setup Password You can create a system password and a setup password to secure your computer. Password Type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer. CAUTION: The password features provide a basic level of security for the data on your computer.
Deleting or Changing an Existing System and/or Setup Password Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked. To enter the System Setup, press immediately after a power-on or reboot. 1. In the System BIOS or System Setup screen, select System Security and press .
Diagnostics 4 If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
Troubleshooting Your Computer 5 You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the operation of the computer. Power LED Diagnostics The power button LED located on the front of the chassis also functions as a bicolored diagnostic LED. The diagnostic LED is only active and visible during the POST process. Once the operating system starts to load, it is no longer visible.
Amber LED State Description 3,4 possible system board error 3,5 memory modules are detected, but a memory configuration or compatibility error 3,6 possible system board resource and/or hardware failure 3,7 some other failure with messages on screen Beep Code The computer can emit a series of beeps during start-up if the display does not show errors or problems. These series of beeps, called beep codes, identify various problems.
Error Message Description Bad command or file name Ensure that you have spelled the command correctly, put spaces in the proper place, and used the correct pathname. Bad errorcorrection code (ECC) on disk read The floppy or hard drive controller detected an uncorrectable read error. Controller has failed The hard drive or the associated controller is defective. Data error The floppy or hard drive cannot read the data.
Error Message Description Keyboard failure A cable or connector may be loose, or the keyboard or keyboard/mouse controller may be faulty. Memory address A memory module may be faulty or improperly seated. Reinstall the memory line failure at modules and, if necessary, replace them. address, read value expecting value Memory allocation The software you are attempting to run is conflicting with the operating system, error another program, or a utility.
Error Message Description Plug and play The computer encountered a problem while trying to configure one or more cards. configuration error Read fault The operating system cannot read from the floppy or hard drive, the computer could not find a particular sector on the disk, or the requested sector is defective. Requested sector not found The operating system cannot read from the floppy or hard drive, the computer could not find a particular sector on the disk, or the requested sector is defective.
6 Specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start (Start icon) → Help and Support, and then select the option to view information about your computer. Table 15. Processor Feature Specification Processor type • Intel Core i3/i5/i7 series • Intel Dual Core series Total Cache Up to 8 MB cache depending on processor type Table 16.
Table 19. Network Feature Specification Integrated Intel I217LM Ethernet capable of 10/100/1000 Mb/s communication Table 20. System Information Feature Specification System chipset Intel 8 series Express chipset DMA Channels two 8237 DMA controllers with seven independently programmable channels Interrupt Levels Integrated I/O APIC capability with 24 interrupts BIOS Chip (NVRAM) 12 MB Table 21. Expansion Bus Feature Specification Bus Type PCIe gen2, gen3 (x16), USB 2.0, and USB 3.
Feature Small Form Factor Specification one slim-optical drive bay Internally Accessible 3.5-inch SATA drive bays: Mini-Tower two Small Form Factor one 2.5-inch SATA drive bays: Mini-Tower two Small Form Factor two Table 24.
Feature Small Form Factor Specification none PCI Express x1 data width (maximum) – one PCI Express lane Mini-Tower one 36-pin connector Small Form Factor none PCI Express x16 (wired as x4) data width (maximum) – four PCI Express lanes Mini-Tower one 164-pin connector Small Form Factor one 64-pin connector PCI Express x16 data width (maximum) – 16 PCI Express lanes Mini-Tower, Small Form Factor one 164-pin connector Mini PCI Express data width (maximum) – one PCI Express lane and one USB interfac
Feature Specification Password clear jumper one 2-pin connector RTC reset jumper one 2-pin connector Internal speaker one 5-pin connector Intruder connector one 3-pin connector Power connector: Mini-Tower, Small Form Factor one 8-pin, one 4-pin, one 6-pin, connector Table 26. Controls and Lights Feature Specification Front of the computer: Power button light White light — Solid white light indicates power-on state; blinking white light indicates sleep state of the computer.
Table 27. Power NOTE: Heat dissipation is calculated by using the power supply wattage rating. Wattage Maximum Heat Dissipation Voltage Mini-Tower 290 W 989.00 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5 A Small Form Factor 255 W 870.00 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A Coin-cell battery 3 V CR2032 lithium coin cell Table 28. Physical Dimension Height Width Depth Weight Mini-Tower 36.00 cm (14.17 inches) 17.50 cm (6.89 inches) 41.70 cm (16.42 inches) 9.40 kg (20.
Contacting Dell 7 NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Go to dell.com/contactdell.