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
Solving network problems
Some common causes and solutions for network problems are listed in these tables. The guidelines do not
discus
s the process of debugging the network cabling.
Network driver does not detect network controller
Use this information to troubleshoot the computer.
SolutionCause
1. Run Computer Setup and enable network controller.
2. Enable the network controller in the operating system using Device
Manag
er.
To access Device Manager in Windows 10, type device manager in
the taskbar search box, and then select Device Manager from the list of
ap
plications.
Network controller is disabled.
Check the network controller documentation for the correct driver or obtain
the l
atest driver from the manufacturer’s website.
Incorrect network driver.
Network status link light never blinks
Use this information to troubleshoot the computer.
NOTE: The network status light is supposed to blink when there is network activity.
SolutionCause
Check cabling and network equipment for proper connection.No active network is detected.
Check for the device status within Windows, such as Device Manager for
driv
er load and the Network Connections applet within Windows for link
status.
To access Device Manager in Windows 10, type device manager in
the taskbar search box, and then select Device Manager
from the list of
applications.
Network controller is not set up properly.
1. Run Computer Setup and enable network controller.
2. Enable the network controller in the operating system using Device
Manag
er.
To access Device Manager in Windows 10, type device manager in
the taskbar search box, and then select Device Manager from the list of
ap
plications.
Network controller is disabled.
Reinstall network drivers.Network driver is not properly loaded.
Disable autosensing capabilities, and force the system into the correct
o
perating mode.
System cannot autosense the network.
Diagnostics reports a failure
Use this information to troubleshoot the computer.
64 Chapter 5 Troubleshooting without diagnostics