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 6-3 Computer Setup—Advanced (for advanced users) (continued)
Option Heading
DMA Protection
Select to enabled Direct Memory Access Protection. Default is enabled.
Pre-Boot DMA Protection
Lets you congure the device scope for pre-OS DMA protection.
Performance Control
Lets you select system performance mode.
Power Button Override (disable/4 sec/15 sec)
Lets you disable or enable and select the number of seconds you have to hold down the power button to
force the system to turn o. Default is 4 sec.
Built-In Device Options Embedded LAN Controller
Select to show the device in the operating system. Default is enabled.
Wake On LAN
Lets you either disable the Wake On LAN feature or congure where the computer boots, including the
network or hard drive. Default is Boot to Network.
Video memory size
Use this option to manage graphics memory allocation. The value you choose is allocated permanently to
graphics and is unavailable to the operating system.
Audio Device
Select to show the device in the operating system. Default is enabled.
Integrated Microphone
Clear to disable the integrated microphone. This does not aect devices plugged into audio jacks. Default
is enabled.
Internal Speakers (does not aect external speakers)
Clear to disable the chassis speaker or speakers. This function is applicable to normal audio playback in
the o
perating system and does not aect the error or warning beeps during POST. Default is enabled.
LAN/WLAN auto switching
Select to enable auto switching between a wired and wireless connection. Default is disabled.
Wake on WLAN
Select to enable wake on WLAN. Default is disabled.
M.2 USB/Bluetooth
Select to enable the M.2 controller. Default is enabled.
Increase Idle Fan Speed(%)
Sets idle fan speed percentage. This setting only changes the minimum fan speed. The fan is still
automatically controlled.
Port Options SATA0/SATA1/SATA2
Lets you disable the connector. Default is enabled.
Rear USB ports
80 Chapter 6 Computer Setup (F10) Utility