11.
Remove the three remaining screws that secure the system board to the chassis.
Figure 7-36
12.
Slide system board toward the front of the unit until the rear connectors are clear of their slots in
the chassis.
13.
Lift the rear of the system board until it clears the chassis, and then remove the system board from
the chassis.
To install the system board, reverse the removal procedure.
NOTE:
When replacing the system board, you must also change the chassis serial number in the
BIOS.
Rear Fan
The rear fan is secured to the rear right corner of the chassis. You must remove the system board before
you can remove the rear fan.
1.
Prepare the computer for disassembly
2.
Remove the computer access panel
3.
Remove the system board
4.
Disconnect the fan control cable from the red/brown system board connector labeled CHFAN2.
124
Chapter 7 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis
Removing the system board
(Preparation for Disassembly on page
(Computer Access Panel on page
(TV Tuner Module on page
92).
99).
122).