2.
Disconnect the following the cables from the system board:
●
Power button board cable (included in the power button board spare part kit, spare part
number 639481-001)
●
TouchPad cable (included in the Cable Kit, spare part number 639473-001)
●
Function board cable (included in the function board spare part kit, spare part number
639480-001)
●
Power connector cable (included in the Cable Kit, spare part number 639473-001)
3. Turn the top cover upside down, with the rear panel toward you.
4. Remove the three Phillips PM2.5×4.2 screws that secure the system board to the top cover.
5. Lift the left side of the system board (1) until it rests at an angle.
66 Chapter 4 Removal and replacement procedures
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