5.Remove the following Nine PM 2.5 x 6.5 screws that secure the top cover to the computer.
6.Turn the computer
7.Open the computer.
8.Lift the front edge of the top cover (1) until the left and right sides disengage from the base enclosure.
9.Remove the top cover (2).
Reverse this procedure to install the top cover.
50 Chapter 4 Removal and replacement procedures