Dell OptiPlex GX240 - Manual (Page 113)

I / O Pa n e l 113
3 Disconnect the front I/O cable from the front-panel connector on the
system board (see "
System Board Components " for the location of the
front-panel connector and see " Small Form-Factor Computer " for the
location of the control panel and I/O cables).
4 Remove all cables that are connected to the front I/O panel.
5 From inside the computer 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.
Small Desktop Computer
1 Remove the hard-drive shroud .
2 Disconnect the hard-drive data cable.
3 Disconnect the control panel cable from the control panel connector
on the I/O panel.
4 Disconnect the front I/O cable from the front-panel connector on the
system board (see "
System Board Components " for the location of the
front-panel connector and see " Small Desktop Computer " for the
location of the control panel and I/O cables).
Note the routing of the control panel cable as you remove it from the
computer so that you can replace it correctly.