Acer Aspire G7750 Series Service Manual page 69

15. Remove the nine screws (J) that secure the mainboard to the chassis, in the order shown.
Screw (Quantity) Color Torque Part No.
HEX #6-32 5MM NI (6) Silver 4.5 to 5.5 kgf-cm 86.2G5B6.013
16. Lift the board from the chassis.
Chapter 3 61