Power button board
Description Spare part number
Power button board L02239-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the power button board, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the base enclosure (see Base enclosure on page 34), and then remove the following
components:
a. Battery(see Battery on page 35).
b. System board (see System board on page 41).
Remove the power button board:
▲
Remove 2 M2*2-I screws (1), lift the power button board (2), and then remove it (3).
Reverse this procedure to install the power button board.
Component replacement procedures 51
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