3. Remove the following screws that secure the top cover to the computer:
a. 3 Phillips PM2.0×3.0 screws (1) from the optical drive bay
b. 2 Phillips PM2.5×2.5 broadhead screws (2) from the battery bay
4. Remove the following cables from the system board:
(1): Power/function board cable
(2): Fingerprint reader cable
Component replacement procedures 55