Acer Aspire 8943G Series Service Manual page 87

5. Remove the touchpad board cable from the upper cover.
6. Remove four (4) screws from the touchpad board.
Step
Touchpad Module
Disassembly
7. Lift the touchpad board clear of the upper cover by pivoting the board around the guide pin as shown.
Chapter 3
Screw
M2-0.4*2 4
Quantity Screw Type.
77