Description Spare part number
Power button board L02774-001
Before removing the power button board, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the keyboard/top cover (see Keyboard/top cover on page 21).
Remove the power button board:
1. Turn the keyboard/top cover upside down with the front toward you.
2. Detach the power button board cable (1) from the keyboard/top cover. (The power button board cable is
attached to the keyboard/top cover with double-sided adhesive at two locations.)
3. Remove the Phillips PM2.0×2.5 screw (2) that secures the power button board to the keyboard/
top cover.
4. Remove the power button board (3) and cable.
Reverse this procedure to install the power button board.
34 Chapter 5 Removal and replacement procedures
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