Power switch board
Description Spare part number
Power switch board (includes cable) 611498-001
Before removing the power switch board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off 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 cord.
4. Remove the battery (see
Battery on page 35).
5.
Remove the following components:
a. Hard drive (see
Hard drive on page 37).
b. Memory cover (see
Memory module on page 40).
c. Top cover (see
Top cover on page 48).
Remove the power switch board:
1. Release the ZIF connector to which the power switch board cable is connected, and then
disconnect the power switch board cable (1) from the system board.
2. Remove the power switch board (2) from the slot built into the base enclosure.
Reverse this procedure to install the power switch board.
54 Chapter 4 Removal and replacement procedures ENWW
