HP Compaq tc1100 Maintenance And Service Manual page 158

Removal and Replacement Procedures
c. Remove the 2 PM 2.0 × 5.0 screws on the left side and the
PM2.0 × 4.0 screw on the nearest side of the digitizer
panel that secure the bracket to the panel assembly.
Removing the Bracket Screws
Maintenance and Service Guide 5–23