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
Press the power button to resume from the Sleep state.
IMPORTANT: When attempting to resume from the Sleep state, do not hold
do
wn the power button for more than 4 seconds. Otherwise, the computer
will shut down, and you will lose any unsaved data.
Computer is in the Sleep state.
Enable the internal speaker in Computer Setup. Select Advanced
> Built-in
Device Options.
Internal speaker is disabled in Computer Setup.
Be sure that the application has selected the correct audio device.Some applications can select which audio output
de
vice is used.
Set the operating system to use the correct audio device.The operating system controls might be set
t
o use a dierent audio device as the default
output device than what is expected.
Computer appears to be locked up while recording audio
Use this information to troubleshoot the computer.
SolutionCause
Before recording, be sure that there is enough free space on the hard disk.
Y
ou can also try recording the audio le in a compressed format.
The hard disk might be full.
Solving printer problems
If you encounter printer problems, see the documentation that came with the printer and the common causes
and sol
utions listed in these tables.
Printer will not print
Use this information to troubleshoot the computer.
SolutionCause
Turn the printer on and be sure that it is online.Printer is not turned on and online.
1. Install the correct printer driver for the application.
2. Try printing using the MS-DOS command:
DIR C:\ >
[printer
port]
where
[printer
port]
is the
address of the
printer being
used. If the
printer works,
reload the printer
driver.
To run MS-DOS
c
ommands, press
the Windows key
+ r, type cmd in
the Open box,
and then sel
ect
OK.
The correct printer drivers for the application are
no
t installed.
60 Chapter 5 Troubleshooting without diagnostics