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
f. If an asset or ownership tag is set, select the Security menu and scroll down to the Utilities menu.
Select System IDs, and then select Asset Tracking Number. Clear the tag, and then make the
selection to return to the prior menu.
g. If a DriveLock password is set, select the Security menu, and scroll down to Hard Drive Utilities
under the Utilities menu. Select Hard Drive Utilities, select DriveLock, and then clear the check box
for DriveLock password on restart. Select OK to proceed.
h. Select the Main menu, and then select Reset BIOS Security to factory default. Select Yes at the
warning message. The computer reboots.
i. During the reboot, press esc while the "Press the ESC key for Startup Menu" message is displayed at
the bottom of the screen.
NOTE: If the system has a BIOS administrator password, enter the password at the prompt.
j. Select the Main menu, select Apply Factory Defaults and Exit, select Yes to save changes and exit,
and then select Shutdown.
k. Reboot the system. If the system has a Trusted Platform Module (TPM), ngerprint reader, or both,
one or two prompts will appear—one to clear the TPM and the other to Reset Fingerprint Sensor.
Press or tap f1 to accept or f2 to reject.
l. Remove all power and system batteries for at least 24 hours.
2. Complete one of the following:
● Remove and retain the storage drive.
– or –
● Clear the drive contents by using a third-party utility designed to erase data from an SSD.
– or –
● Clear the contents of the drive by using the following BIOS Setup Secure Erase command option
steps:
NOTE: If you clear data using Secure Erase, you cannot recover it.
a. Turn on or restart the computer, and then quickly press esc.
b. Select the Security menu and scroll down to the esc menu.
c. Select Hard Drive Utilities.
d. Under Utilities, select Secure Erase, select the hard drive storing the data you want to clear, and
then follow the on-screen instructions to continue.
– or –
Clear the contents of the drive using the following Disk Sanitizer commands steps:
i. Turn on or restart the computer, and then quickly press esc.
ii. Select the Security menu and scroll down to the Utilities menu.
iii. Select Hard Drive Utilities.
104 Chapter 11 Statement of memory volatility