3. Remove the Philllips PM2.0×2.0 broad head screw (2) that secures the card reader board to the
top cover.
4. Remove the card reader board (3) and cable.
Reverse this procedure to install the card reader board.
Power button board
Description Spare part number
Power button board (includes cable and double-sided adhesive) 746646-001
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 29), and then remove the following components:
a. Service cover (see Service cover on page 30)
b. Hard drive (see Hard drive on page 31)
c. Optical drive (see Optical drive on page 37)
d. Keyboard (see Keyboard on page 38)
e. Top cover (see Top cover on page 41)
Remove the power button board:
48 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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