Installing The Input/Output Panel - Dell OptiPlex 990 Mini-Tower Service Manual

7. Slide the Input/Output panel towards the left of the computer to release it.
8. Remove the Input/Output panel by routing the cable through the front of the
computer.

Installing the Input/Output Panel

1. Insert the Input/Output panel into the slot on the chassis front.
2. Slide the Input/Output panel towards the right of the computer to secure to
the chassis.
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