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
3. Pull the serial port into the computer to remove it (3).
To install the serial port, reverse the removal procedure.
Hood lock
To remove the hood lock, use these procedures.
Before removing the hood lock, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 21).
2. Remove the access panel (Access panel on page 21).
Remove the hood lock:
1. Disconnect the hood lock cable (1)
from the system board.
2. Remove the two security screws (2) that secure the lock to the rear of chassis.
3. Pull the hood lock into the chassis to remove it (3).
Hood lock 33