Acer 4000 - Manual (Page 70)

63 Chapter 3
Disassembling the Main Unit into Upper Case and Lower Case
1. Remove the two screws that secure the left and right hinge cover.
2. Remove the left and right hinge cover.Detach the right and the left hinge cover form the main unit.
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3. Remove the three screws on the rear of the main unit.
4. Remove the nineteen screws that secure the lower case..
5. Release the keyboard latch with tweezers
6. Release another keyboard latch with tweezers.
7. Pull the keyboard out.
8. Unlatch the keyboard FFC latch and remove the keyboard from the main unit.
9. Remove the seven screws that secure the upper case.
10. Disconnect the power board cable.
11. Disconnect the thermal lid switch cable.
12. Disconnect the touchpad FFC from the mainboard.
13. Pull the wireless antenna from the hole.