Dell Precision T5610 (Late 2013) - Manual (Page 21)

5. Disconnect the cables to release the I/O panel.
6. Remove the screws which secure the I/O panel to the chassis.
7. Remove the I/O panel from the chassis.
Installing the Input/Output (I/O) Panel
1. Replace the I/O panel in its slot.
2. Tighten the screws securing the I/O panel to the chassis
3. Attach the cables to the I/O panel.
4. Slide the USB 3.0 module in its slot.
5. Tighten the screws securing the USB 3.0 module to the I/O panel.
6. Install:
a. front bezel
b. cover
7. Follow the procedures in After Working Inside Your Computer .
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