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
1. Wear disposable gloves made of latex (or nitrile gloves, if you are latex-sensitive) when cleaning the
surfaces.
2. Turn o your device and unplug the power cord and other connected external devices. Remove any
installed batteries from items such as wireless keyboards.
CAUTION: To prevent electric shock or damage to components, never clean a product while it is turned
on or plugged in.
3. Moisten a microber cloth with water. The cloth should be moist, but not dripping wet.
IMPORTANT: To avoid damaging the surface, avoid abrasive cloths, towels, and paper towels.
4. Wipe the exterior of the product gently with the moistened cloth.
IMPORTANT: Keep liquids away from the product. Avoid getting moisture in any openings. If liquid
makes its way inside your HP product, it can cause damage to the product. Do not spray liquids directly
on the product. Do not use aerosol sprays, solvents, abrasives, or cleaners containing hydrogen peroxide
or bleach that might damage the nish.
5. Start with the display (if applicable). Wipe carefully in one direction, and move from the top of the
display to the bottom. Finish with any exible cables, like power cord, keyboard cable, and USB cables.
6. Be sure that surfaces have completely air-dried before turning the device on after cleaning.
7. Discard the gloves after each cleaning. Clean your hands immediately after you remove the gloves.
See Cleaning your computer with a disinfectant on page 15 for recommended steps to clean the high-touch,
external surfaces on your computer to help prevent the spread of harmful bacteria and viruses.
Cleaning your computer with a disinfectant
The World Health Organization (WHO) recommends cleaning surfaces, followed by disinfection, as a best
pr
actice for preventing the spread of viral respiratory illnesses and harmful bacteria.
After cleaning the external surfaces of your computer using the steps in
Removing dirt and debris from your
computer on page 14, you might also choose to clean the surfaces with a disinfectant. A disinfectant that is
within HP
’s cleaning guidelines is an alcohol solution consisting of 70% isopropyl alcohol and 30% water. This
solution is also known as rubbing alcohol and is sold in most stores.
Follow these steps when disinfecting high-touch, external surfaces on your computer:
1. Wear disposable gloves made of latex (or nitrile gloves, if you are latex-sensitive) when cleaning the
surfaces.
2. Turn o your device and unplug the power cord and other connected external devices. Remove any
installed batteries from items such as wireless keyboards.
CAUTION: To prevent electric shock or damage to components, never clean a product while it is turned
on or pl
ugged in.
3. Moisten a
microber cloth with a mixture of 70% isopropyl alcohol and 30% water. The cloth should be
moist, but not dripping wet.
CAUTION: Do not use any of the following chemicals or any solutions that contain them, including
s
pray-based surface cleaners: bleach, peroxides (including hydrogen peroxide), acetone, ammonia, ethyl
Cleaning your computer with a disinfectant 15