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Power button board and cable
Description Spare part number
Power button board and cable (includes double-sided tape) 576849-001
Before removing the power button board and cable, 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 from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 36).
5. Remove the following components:
a. Memory module compartment cover (see “Expansion memory module”).
Hard drive
on page 49).
b. Top cover (see
Top cover on page 39).
c. Processor fan/heat sink assembly (see
Processor fan/heat sink assembly on page 51
Remove the power button board and cable:
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.
Component replacement procedures
55