IBM Aptiva 2124 Hardware Maintenance Service page 145

Use a screwdriver to push back the metal bay plate. After pushing the metal
cover for about an inch, you may use your hand to push it all the way to a 90-
degree angle.
NOTE: To Reinstall A Bay Panel
•
Insert a bay panel into the opening at the front of the system cover,
aligning the panel latches with the sides of the unit.
•
Push the panel back until you hear the latches click into place.
Repair Information 4-33