HP xw4400 Service And Technical Reference Guide

3. Remove the four screws 2 securing the speaker to the chassis and lift the speaker out 3 of the
chassis.
Figure 4-14 Removing the speaker
To replace the speaker, reverse the previous steps.
Power supply
To remove the power supply:
1. Disconnect power from the system (
Predisassembly procedures on page 60) and remove the side
access panel (
Side access panel on page 66).
Tip This next step requires disconnecting several power cables. To speed up reinstalling
the power supply, it is helpful to write down the numbers on the cables so that you can easily
reconnect the cable to the correct devices.
2. Disconnect all cables from the system board, drives, or cards.
3. Remove the four screws 1 from the back panel.
4. Slide the power supply toward the front and lift it 2 out of the chassis.
72 Chapter 4 Removal and replacement procedures ENWW

HP xw4400 Specifications

General

Processor	Intel Core 2 Duo
Chipset	Intel 975X
Memory	Up to 8 GB DDR2
Storage	SATA 3.0 Gb/s
Graphics	NVIDIA Quadro FX series
Operating System	Windows XP Professional
Expansion Slots	1 PCI Express x16, 1 PCI Express x1, 3 PCI
Ports	6 USB 2.0, 2 PS/2, 1 serial, 1 parallel, 1 RJ-45
Optical Drive	DVD-ROM