Dell Precision 690 - Manual (Page 65)

3. Slide the drive panel insert tab out from the tab slot
4. Set the drive-panel insert aside in a secure location.
Replacing a Drive-Panel Insert
1. Slide the drive-panel insert tab into the drive-panel slot.
2. Pinch the drive-panel insert release tabs together and rotate the drive-panel insert into place.
3. Ensure that the drive-panel insert is correctly seated in the drive panel.
1 drive panel
2 drive-panel insert
3 drive-panel insert release tabs (2)
4 drive-panel insert tab in tab slot
1 drive-panel insert pane
2 drive-panel insert release tabs (2)
1 drive panel
2 drive-panel insert
3 drive-panel insert release tabs (2)
4 drive-panel insert tab in tab slot