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4.
Remove the top speakers (4).
Reverse this procedure to install the top speakers.
Power button board
Description Spare part number
Power button board (includes cable) 682086-001
Before removing the power button board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 46), and then remove the following components:
a. Hard drive (see
Hard drive on page 47)
b. Optical drive (see
Optical drive on page 54)
c. Keyboard (see
Keyboard on page 57)
d. Top cover (see
Top cover on page 61)
Component replacement procedures
65