4–36 Maintenance and Service Guide
Removal and replacement procedures
Remove the top cover:
1. Turn the computer upside down with the front toward you.
2. Remove the following screws that secure the top cover to the base enclosure:
1 Three Phillips PM2.5×10.0 screws
2 Two Phillips PM2.5×5.0 screws
3 Two Phillips PM2.0×3.0 screws
3. Turn the computer right-side up, with the front toward you.
4. Disconnect the following cables from the system board:
1 TouchPad cable with zero insertion force (ZIF) connector
2 USB cable
5. Remove the two Phillips PM2.5×6.0 screws 1 that secure the top cover to the base enclosure.
6. Lift up the front edge of the top cover until it releases from the base 2.
7. Remove the top cover 3.