Acer Aspire One AO531h - LCD Failure; Built-In Keyboard Failure

Chapter 3 133
11. Replace the nine securing screws in the Upper Cover.
NOTE: Ensure the correct screw type is used for each hole. Red callout: M2*5, Green callout: M2*3.
12. Turn the computer over and replace the seven securing screws as shown.
NOTE: Ensure the correct screw type is used for each hole. Red callout: M2*6, Green callout: M2*3.