1.
When replacing the system board, be sure that the following cables are disconnected from the system
board:
(1): WLAN antenna
(2): WLAN antenna routing
(4): Front Speaker cable
(5): Video cable
(6): Rear speaker cable
(7): Touchpad cable
(8): Keyboard cable
(9): Backlight keyboard cable
2.
Remove the four Phillips PM2.5×3.0 screws that secure the system board to the computer (1).
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Chapter 6 Removal and replacement procedures for Authorized Service Provider parts