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11. Remove the three remaining screws that secure the system board to the chassis.
Figure 7-36 Removing the system board
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 (
Preparation for Disassembly on page 143).
2. Remove the computer access panel (
Computer Access Panel on page 150).
3. Remove the system board (
TV Tuner Module on page 173).
4. Disconnect the fan control cable from the red/brown system board connector labeled CHFAN2.
Rear Fan 175