Power button board
NOTE: The power button board spare part kit does not include the power button board cable. The power
button board cable is available using spare part number L53533-001.
Table 5-10 Power button board description and spare part number information
Description Spare part number
Power button board L53869-001
Before removing the power button board, follow these steps:
1. Shut down 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 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 bottom cover (see Bottom cover on page 28).
5. Remove the battery (see Battery on page 30).
Remove the power button board:
1. Release the ZIF connector (1) to which the power button board cable is connected, and then disconnect
the power button board cable from the system board.
2. Remove the two Phillips M2.0×2.9 screws (2) that secure the power button board to the keyboard/
top cover.
3. Remove the power button board (3).
Reverse this procedure to install the power button board and cable.
48 Chapter 5 Removal and replacement procedures
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