Dell OptiPlex 960 (Late 2008) - Manual (Page 43)

Replacing the I/O Assembly
To replace the I/O assembly, do the following:
1. Perform the procedure Before Working on Your Computer .
2. Remove the bezel:
a. Lift the three retention tabs to release the top edge of the bezel.
b. Roll the bezel down and lift it from the chassis.
3. Feed the I/O assembly cables into the front of the chassis through the opening for the I/O assembly until the assembly is in place. Ensure that the
securing tab points toward the right (toward the grill).
1 I/O assembly 2 securing tab
3 I/O assembly cables/connectors
NOTE: Use the guides on the I/O assembly bracket to help position the I/O assembly in place, and use the notch on the I/O assembly bracket to
help seat the panel.
1 bezel 2 retention tabs (3)