Dell Vostro 3800 Slim Tower (Late 2013) - Manual (Page 19)

3. Follow the steps below to disconnect the I/O panel cables:
a. Disconnect the I/O panel and FlyWire cables from the system board.
b. Un-thread the cables from the metal retention clips.
4. Follow the steps below to remove the I/O panel:
a. Remove the screw that secures the I/O panel to the computer.
b. Slide the I/O panel outwards and remove it from the computer.
Installing The Input/Output (I/O) Panel
1. Slide the I/O panel into its slot on the computer.
2. Replace the screw that secures the I/O panel.
3. Route the three cables through the metal clips.
4. Connect the three I/O panel and FlyWire cables to the system board.
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