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Switch cover
Description Spare part number
Switch cover (includes power button board and cable, LED board, and LED board cable
For use in computer models with Intel processors or full-featured models with AMD processors 451313-001
For use in defeatured computer models with AMD processors 417078-001
Before removing the switch cover, 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 46).
5.
Remove the keyboard (see
Keyboard on page 59).
Remove the switch cover:
1. Remove the two Phillips PM2.5×9.0 screws (1) and the three black Phillips PM2.0×5.0 screws (2)
that secure the switch cover to the computer.
2.
Turn the computer display-side up, with the front toward you.
3.
Open the computer as far as possible.
4. Disconnect the power button board cable (1) from the system board.
62 Chapter 4 Removal and replacement procedures