Maintenance and Service Guide
Table Of Contents
- Computer features
- Illustrated parts catalog
- Routine care, SATA drive guidelines, and disassembly preparation
- Removal and replacement procedures
- Preparation for disassembly
- Access panel
- Optical drive
- Hard drive
- Front bezel
- Removing the slim bezel blank
- Memory modules (DIMMs)
- Expansion card
- WLAN module
- Serial port
- Hood lock
- Hood sensor
- Fan
- Option board
- Heat sink
- Processor
- Drive cage
- Solid-state drive
- Battery
- USB board
- Card reader
- Speaker
- Power supply
- System board
- Wireless antennas and cables
- Troubleshooting without diagnostics
- Before you call for technical support
- Helpful hints
- Solving general problems
- Cannot access the Computer Setup (F10) Utility when booting the computer
- Computer appears locked up and will not turn off when the power button is pressed
- Computer will not respond to keyboard or mouse
- Computer date and time display is incorrect
- There is no sound or sound volume is too low
- Cannot remove computer cover or access panel
- Poor performance
- Computer powered off automatically and the power light blinks red four times and then white two times
- System does not turn on and the lights on the front of the computer are not blinking
- Solving power problems
- Power supply shuts down intermittently
- Computer turned off automatically, power light blinks red two times followed by a two-second pause, and the computer beeps two times (Beeps stop after fifth iteration but lights continue blinking)
- Power light blinks red four times followed by a two-second pause and the computer beeps four times (Beeps stop after fifth iteration but lights continue blinking)
- Solving hard drive problems
- Solving audio problems
- Solving printer problems
- Solving keyboard and mouse problems
- Solving hardware installation problems
- Solving network problems
- Network driver does not detect network controller
- Network status link light never blinks
- Diagnostics reports a failure
- Diagnostics passes, but the computer does not communicate with the network
- Network controller stopped working when an expansion board was added to the computer
- Network controller stops working without apparent cause
- Cannot connect to network server when attempting remote system installation
- System setup utility reports unprogrammed EEPROM
- Solving memory problems
- System will not boot or does not function properly after installing additional memory modules
- Out of memory error
- Memory count during POST is wrong
- Insufficient memory error during operation.
- Power light blinks red five times followed by a two-second pause and the computer beeps five times (Beeps stop after fifth iteration but lights continue blinking)
- Solving USB flash drive problems
- Solving internet access problems
- Solving software problems
- Computer Setup (F10) Utility
- POST error messages
- Password security and resetting CMOS
- Using HP PC Hardware Diagnostics
- Using HP PC Hardware Diagnostics Windows (select products only)
- Using HP PC Hardware Diagnostics UEFI
- Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)
- Backing up, restoring, and recovering
- Statement of memory volatility
- Power cord set requirements
- Specifications
- Index
Table 7-1 POST numeric codes and text messages (continued)
Control panel message Description Recommended action
3. Recongure card resources and/or
run Computer Setup or Windows
utilities.
401-Serial Port B Address Conict
Detected
Both external and internal serial ports are
assigned to the same resources.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Recongure card resources and/or
run Computer Setup or Windows
utilities.
402-Serial Port C Address Conict Detected Both external and internal serial ports are
assigned to the same resources.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Recongure card resources and/or
run Computer Setup or Windows
utilities.
403-Serial Port D Address Conict
Detected
Both external and internal serial ports are
assigned to the same resources.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Recongure card resources and/or
run Computer Setup or Windows
utilities.
419-Out of Memory Space for Option ROMs Recently added PCI expansion card
contains an option ROM too large to
download during POST.
If a PCI expansion card was recently added,
remove it to see if the problem remains.
41A-Front USB1/USB2 Not Connected Front USB cable has been detached or
unseated from system board.
Reconnect or replace front USB cable.
41B-Device in PCI Express Slot Failed To
Initialize
There is an incompatibility or problem with
a PCIe device and the system or PCIe link
could not be congured to a valid bus
width or speed.
Try rebooting the system. If the error
reoccurs, the device may not work with this
system
43A-USB Type-C I2C Not Connected Cable is required between I2C on card and
USB-C on the system board.
Install cable between I2C on card and USB
C on the system board.
43B-More Than One USB type-C Cards Are
Installed
More than one USB type-C card is installed. Remove USB type-C card so only one is
installed.
500–BIOS Recovery A system BIOS recovery has occurred. Not applicable.
70x-Wireless Mode Not Supported The system has detected a wireless
module installed in the system that is not
supported and has been disabled.
Replace with a supported module.
800-Keyboard Error Keyboard failure. 1. Reconnect keyboard with computer
turned o.
2. Check connector for bent or missing
pins.
3. Be sure that none of the keys are
depressed.
4. Replace keyboard.
POST numeric codes and text messages 87