Dell Precision 650 - Manual (Page 36)

Removing the I/O Panel
1. Remove the front panel .
2. Disconnect the control panel cable from the control panel connector.
3. Disconnect the front-panel cable from the system board.
4. Remove all cables that are connected to the front I/O panel.
5. From inside the cover, remove the mounting screw that secures the front I/O panel to the computer.
6. Remove the front I/O panel from the computer.
Dell Precision 650 Computer
Dell Precision 450 Computer
Replacing the I/O Panel
To replace the front I/O panel, perform the removal procedure in reverse.
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5 control panel connector