5. Position the computer upside down.
CAUTION: To avoid the hard drive falling out of the computer and getting damaged, be sure the 
computer is upside-down when removing the bottom cover.
6. Remove the two screw covers (1) and nine Phillips PM2.5×6.5 screws (2) that secure the top cover to the 
computer.
7. Use a non-marking tool (3) to disengage the bottom cover from the computer. You will have work 
around the seams on all sides of the computer.
CAUTION: To avoid damaging the cover, do not pry the cover near the optical drive bay.
8. Remove the bottom cover (4).
Reverse this procedure to install the bottom cover.
40 Chapter 6   Removal and replacement procedures for Authorized Service Provider parts