Dell OptiPlex 3020 Dell OptiPlex 3020-Small Form Factor Owners Manual - Page 24
Installing the I/O Panel, Removing the Power Supply
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Installing the I/O Panel 1. Insert the I/O panel into the slot on the chassis front. 2. Slide the I/O panel to secure it to the chassis. 3. Tighten the screw to secure the I/O panel to the chassis. 4. Connect the I/O panel, audio cable, and fan shelter clip to the system board. 5. Install the: a) drive cage b) optical drive c) front bezel d) cover 6. Follow the procedures in After Working Inside Your Computer. Removing the Power Supply 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) cover b) front bezel c) optical drive d) drive cage 3. Perform the following steps as shown in the illustration: a) Press the 8-pin and 4-pin power cable [1]. b) Disconnect the 8-pin and 4-pin power cables from the system board [2]. c) Unroute the cable from the system board. 24