Maintenance and Service Guide

Table Of Contents
3. Press the release lever at the front of the power supply (6), slide the power supply toward the front of
the computer, and then lift the power supply out of the chassis (7).
To install the power supply, reverse the removal procedures.
System board
To remove the system board, use these procedures.
NOTE: All system board spare part kits include replacement thermal material.
Before removing the system board, 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).
3. Remove the front bezel (Front bezel on page 24).
4. Remove the drive cage (Drive cage on page 39).
5. When replacing the system board, be sure that the following components are removed from the defective
sys
tem board and installed on the replacement system board:
Memory modules (
Memory modules (DIMMs) on page 26)
Heat sink (Heat sink on page 36)
Solid-state drive (Solid-state drive on page 40)
WLAN module (
WLAN module on page 31)
Option board (Option board on page 35)
Expansion cards (Expansion card on page 28)
Processor (Processor on page 38)
Remove the system board:
46 Chapter 4 Removal and replacement procedures