Dell Precision T3600 (Mid 2012) - Manual (Page 30)

4. Rotate and pull the bezel panel away from the computer to release the hooks on the opposite edge of the bezel from
the chassis.
Installing the Front Bezel
1. Insert the hooks along the bottom edge of the front panel into the slots on the chassis front.
2. Rotate the bezel towards the computer to engage the front-bezel retention clips until they click into place.
3. Install the cover.
4. Follow the procedures in After Working Inside Your Computer .
Removing the Front Input/Output (I/O) Panel
1. Follow the procedures in Before Working On Your Computer .
2. Remove:
a. cover
b. front bezel
3. Remove the screws that secure the USB 3.0 module to the front I/O panel.
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