Maintenance and Service Guide

Power button
Table 5-8 Spare part description and number
Description Spare part number
Power button, pale gold L54140-001
Power button, natural silver L54139-001
Before removing the power button, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 29).
2. Remove the bottom cover (see Bottom cover on page 30).
3. Remove the battery (see Battery on page 32).
4. Remove the power button board (see Power button/audio board on page 44).
Remove the power button:
1. Lift the Mylar from on top of the power button (1).
2. Push the tabs that secure the power button to the computer (2).
3. Push the power button into the computer (3).
Reverse this procedure to install the power button.
Component replacement procedures 45