Maintenance and Service Guide
Table Of Contents
- Computer features
- Illustrated parts catalog
- Routine care, SATA drive guidelines, and disassembly preparation
- Removal and replacement procedures
- Computer Setup (F10) Utility
- Troubleshooting without diagnostics
- Safety and comfort
- Before you call for technical support
- Helpful hints
- Solving general problems
- Solving power problems
- Solving hard drive problems
- Solving media card reader problems
- Solving display problems
- Solving audio problems
- Solving printer problems
- Solving keyboard and mouse problems
- Solving hardware installation problems
- Solving network problems
- Solving memory problems
- Solving CD-ROM and DVD problems
- Solving USB flash drive problems
- Solving front panel component problems
- Solving Internet access problems
- Solving software problems
- POST error messages
- Password security and resetting CMOS
- Using HP PC Hardware Diagnostics
- Backing up, restoring, and recovering
- Power cord set requirements
- Statement of memory volatility
- Specifications
- Index

Expansion card
For a list of available expansion cards, see Computer major components on page 6.
The computer has one PCI Express ×1 expansion socket and one PCI Express ×16 expansion socket.
NOTE: The PCI Express sockets support only low prole cards.
You can install a PCI Express ×1, ×4, ×8, or ×16 expansion card in the PCI Express ×16 socket.
For dual graphics card congurations, the rst (primary) card must be installed in the PCI Express ×16 socket.
Before removing expansion cards, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 20).
2. Remove the access panel (Access panel on page 23).
Remove/replace, or add expansion cards:
1. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot
on the back of the computer chassis.
2. Rotate the slot cover retention latch that secures the slot covers to the open position.
3. Before installing an expansion card, remove the expansion slot cover or the existing expansion card.
NOTE: Before removing an installed expansion card, disconnect any cables that are attached to the
expansion card.
a. If you are removing a slot cover, insert a at-bladed screwdriver into the slots on the rear of slot
cover (1) and rock the slot cover back and forth (2) to break it free from the chassis.
Expansion card 31