Compaq V5100 - Manual (Page 134)

5–44 Maintenance and Service Guide
Removal and Replacement Procedures
7. Lift up the front edge of the base enclosure 1 until it
disengages from the top cover.
8. Lift the base enclosure 2 straight up and remove it.
Removing the Base Enclosure
Reverse the above procedure to install the base enclosure.