Acer ASPIRE 4230 Service Manual page 77

5. Remove the six securing screws (including the grounding wire screw) from the LCD module.
Step
LCD Module
(red callout)
LCD Module
(green callout)
6. Carefully remove the LCD module from the chassis.
Chapter 3
Size
M2*3
M2.5*6.5
Quantity
4
2
Screw Type
67