Front panel I/O device assembly
To remove the front panel I/O device assembly:
1. Disconnect power from the system (
Predisassembly procedures on page 57), remove the side
access panel (
Side access panel on page 63), and remove the front bezel (Front Bezel
on page 64).
2. Unlatch the plastic snap that secures the cables inside the chassis and disconnect the front panel
I/O device assembly cables from the system board.
3. Remove the screws 1 that hold the front panel I/O device assembly and bracket to the chassis and
remove the screws 2 that hold the front panel I/O device assembly to the bracket.
4. Pull the front panel I/O device assembly out 3 about 2 inches (5 cm) away from the chassis.
5. Separate the bracket 4 from the front panel I/O device assembly.
Figure 4-11 Removing the front panel I/O device assembly
6. Slide the front panel cables through the chassis and out the front of the unit.
To replace the front panel I/O device assembly, reverse the previous steps.
Power button assembly and system speaker
The power button and the system speaker are part of the same assembly.
To remove the power button:
1. Disconnect power from the system (
Predisassembly procedures on page 57) and remove the side
access panel (
Side access panel on page 63). Remove the front bezel (Front Bezel on page 64)
and the front panel I/O device assembly (
Front panel I/O device assembly on page 68).
2. Disconnect the power button assembly cable from the system board.
3. Disconnect the speaker wire and the hood sensor from the in-line connectors on the power button
assembly cable.
4. Remove the screw that secures the power button assembly to the chassis.
68 Chapter 4 Removal and replacement procedures ENWW
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