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Remove the speakers:
1. Turn the computer, with the front edge toward you.
2. Release the 2 Phillips PM 2.0×3.0 screws securing each speaker. (1)
3. Remove the speakers and cables (2).
Reverse this procedure to install the speakers.
Power button board
Description Spare part number
Power button board 688003-001
Before removing the Power button 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 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 display panel (see
Display panel on page 32).
5. Remove the base enclosure (see
Base enclosure on page 34).
6. Disconnect the battery cable (see
Battery on page 36).
Component replacement procedures 61