HP TC4400 - Manual (Page 128)

Removal and Replacement Procedures
Maintenance and Service Guide 5–45
4. Turn the tablet PC right-side up with the front toward you.
5. Disconnect the TouchPad cable 1 from the system board.
6. Remove the two Torx8 T8M2.0×20.0 screws 2 and the
Phillips PM2.0×4.0 screw 3 that secure the top cover to the
tablet PC.
Removing the Top Cover Screws, Part 2