Dell OptiPlex 3020M Owner's Manual page 13

3. Perform the following steps as shown in the illustration:
a. Cut the strap of the power adapter cable [1].
b. Slide and insert the power adapter into the slot [2].
c. Route the cable through the notch to secure it [3].
4. Perform the following steps as shown in the illustration:
a. Open the cable management clip [1].
b. Lift the antenna cable out [2].
c. Connect the antenna cable to the antenna connector [3].
Installing the Accessories 13