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Control Panel
DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual
Control Panel Components
Removing the Control Panel
Replacing the Control Panel
Control Panel Components
Removing the Control Panel
1. Remove the front panel.
2. Disconnect the control-panel cable from the I/O panel connector.
3. Disconnect the I/O panel cable from the connector on the system board. To locate the system board connector on the Dell Precision 650 computer, see
"System Board Components" or on the Dell Precision 450 computer, see "System Board Components."
4. Remove the mounting screw from the control panel.
5. Lift the control panel away from the computer.
Dell Precision 650 Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.
1
control-panel connector
2
alignment hole
3
hard-drive access light
4
power button
5
screw hole
NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the
system board has turned off. To locate this light on the Dell Precision 650 computer, see "System Board Components" or on the Dell Precision 450
computer, see "System Board Components."