Step 7
Remove the following 10 screws from the bottom case:
Three 1.7 mm Phillips from the front edge of the battery compartment.
One 3.9 mm T8 Torx to the right of the memory card.
One 6.9 mm T8 Torx at the left edge of the memory compartment.
Three 12.4 mm Phillips from the center of the row of screws along the back edge of the case.
Two 15.1 mm Phillips, one from either end of the row of screws along the back edge of the case.
Step 8
Turn the computer over and rotate it so that the DVI port faces you.
Remove the four identical Phillips screws spread along this edge of the case.
Step 9
Turn the computer 180 degrees so that the power receptacle faces you, and remove the four Phillips screws (identical to those in the last step).