Dell OptiPlex Tower Plus 7020 - System board; Removing the system board

Figure 95. Installing the optional USB Type-C module
Steps
1. Using a screwdriver, remove the optional-module cover from the chassis.
NOTE: This step is applicable only when the optional USB Type-C module is being installed for the first time.
NOTE: To remove the optional-module cover, insert a flat-head screwdriver in the hole of the cover, push the cover to
release it, and then lift the cover off the chassis.
2. Insert the optional USB Type-C module in the slot on the chassis.
3. Connect the optional USB Type-C-module cables (VIDEO and TYPE-C) to the respective connectors on the system board.
4. Replace the two screws (M3x3) to secure the optional USB Type-C module to the chassis.
Next steps
1. Install the side cover.
2. Follow the procedure in After working inside your computer.
System board
Removing the system board
CAUTION: The information in this removal section is intended for authorized service technicians only.
124 Removing and installing Field Replaceable Units (FRUs)