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WLAN module (see WLAN module on page 50)
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Memory modules (see Memory on page 42)
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Heat sink (see Heat sink assembly on page 57)
Remove the system board:
IMPORTANT: Make special note of each screw size and location during removal and replacement
1. Disconnect the following cables from the system board:
(1): Keyboard backlight cable
(2): Hard drive connector cable
(3): Speaker cable
(4): USB/card reader board cable
(5): Keyboard cable
(6): TouchPad button board cable
(7): Power connector cable
2. Remove the two Phillips M2.0×3.0 screws that secure the system board to the computer (1).
Component replacement procedures 71