3.
Remove the following screws that secure the bottom cover to the computer:
(1): 2 Phillips PM2.0×4.0 screws from the hard drive bay
(2): 3 Phillips PM2.0×3.0 screws from the optical drive bay
(3): 2 Torx PM2.5×10.0 screws near the docking connector
4. Remove the 4 Torx PM2.5×6.0 screws from the rear of the computer.
Component replacement procedures
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