Dell Precision T7610 (Late 2013) - Manual (Page 33)

6. Slide the opposite edge of the I/O panel outward to disengage the I/O module from the chassis.
7. Remove the screws that secure the USB 3.0 module to the I/O panel and remove it from the computer.
8. Remove the screws that secure the I/O panel and remove it from the computer.
Installing the I/O Panel and the USB 3.0 Ports
1. Place the USB 3.0 module of the I/O panel and install the screws to secure it in place.
2. Place the I/O panel and install the screws to secure it in place.
3. Re-seat the I/O panel assembly on the chassis and secure it to the chassis clips on both sides.
4. Install the screws that secure the I/O panel to the chassis.
5. Connect all the cables to the I/O panel.
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