Dell OptiPlex GX50 - Manual (Page 29)

Small Mini-Tower Computer
I/O Panel Removal—Small Mini-Tower Computer
1 Internal speaker cable
2 Chassis intrusion switch cable
3 Mounting screw
4 Control-panel cable
5 Front audio cable
6 I/O cable
1. Disconnect the control-panel cable from the control-panel connector on the I/O panel. Disconnect the I/O cable from
the I/O panel.
Note the routing of the control-panel cable as you remove it from the computer so that you can replace it correctly.
2. Remove all cables that are connected to the I/O panel, such as the chassis intrusion switch and internal speaker cables.
3. From inside the chassis cover, remove the mounting screw that secures the I/O panel to the chassis.
4. Remove the I/O panel from the chassis.
Replacing the I/O Panel