HP ProSignia 120 Maintenance And Service Manual page 99

7. Remove the three (3) top cover screws from the back of the system unit.
Figure 5-26. Removing the Top Cover Assembly Screws from the Back of the Unit
CAUTION: Do not use the attached wiring to pull the connectors out of the
sockets. This will damage the wire and render the top cover unusable.
5-28 Removal and Replacement Procedures