Power Switch Assembly
Description Spare part number
Power switch/LED assembly 646820-001
The power switch assembly is mounted to the front of the chassis and removed by pulling it away
from the chassis.
1. Prepare the computer for disassembly (
Preparation for Disassembly on page 75).
2. Remove the computer access panel (
Access Panel on page 76).
3. Remove the computer access panel (
Front Bezel on page 77).
4. Disconnect the cable from the black system board connector labeled PB/LED.
5. Press downward on the tabs (1) at the top of the assembly.
6. Rotate the top of the assembly downward (2), and then pull it away from the chassis while
threading the wires through the hole in the front of the chassis.
Figure 6-31 Removing the power switch assembly
To install the power switch assembly, reverse the removal procedure.
Power Switch Assembly 107
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