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
Troubleshooting without diagnostics5
Use these sections to identify and correct minor problems.
CAUTION: Misuse of the computer or failure to establish a safe and comfortable work environment can
result in discomfort or serious injury. See the Safety & Comfort Guide at http://www.hp.com/ergo for more
information about choosing a workspace and creating a safe and comfortable work environment. For more
information, see the Safety & Regulatory Information guide.
Before you call for technical support
If you are having problems with the computer, try these solutions to isolate the exact problem before calling
f
or technical support.
● Run the HP diagnostic tool.
● Run the hard drive self-test in Computer Setup.
● Check the power light on the front of the computer to see if it is blinking red. The blinking lights are error
c
odes that will help you diagnose the problem.
● If you are working on a network, plug another computer with a dierent cable into the network
connection. There might be a problem with the network plug or cable.
● If you recently added new hardware, remove the hardware and see if the computer functions properly.
● If you recently installed new software, uninstall the software and see if the computer functions properly.
● Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. When booting
the o
perating system, use “Last Known Conguration.”
● See the comprehensive online technical support at
http://www.hp.com/support.
To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self
solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat
f
eature. Access HP Instant Support Professional Edition at:
http://www.hp.com/go/ispe.
Access the Business Support Center (BSC) at http://www.hp.com/go/bizsupport for the latest online support
inf
ormation, software and drivers, proactive notication, and worldwide community of peers and HP experts.
If it becomes necessary to call for technical assistance, be prepared to do the following tasks to ensure that
your service call is handled properly:
● Be in front of your computer when you call.
● Before you call, write down the computer serial number and product ID number.
● Spend time troubleshooting the problem with the service technician.
● Remove any hardware that was recently added to your system.
● Remove any software that was recently installed.
Troubleshooting without diagnostics 51