4–30 Maintenance and Service Guide
Removal and replacement procedures
Power button board cable
✎
The power button board cable is included with the power button board, spare part number 580987-001.
Before removing the power button board 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 4-7).
5. Remove the following components:
a. Switch cover (see “Switch cover” on page 4-21)
b. Keyboard cover (see “Keyboard cover” on page 4-23)
c. Power button board (see “Power button board” on page 4-25)
d. Keyboard (see “Keyboard” on page 4-27)
Remove the power button board cable:
1. Disconnect the power button board cable 1 from the LIF connector on the system board.
2. Remove the power button board cable 2.
Reverse this procedure to install the power button board cable.
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