Dell R420xr Personal Computer User Manual


 
Installing The Control Panel
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1. If applicable, insert the control panel cable through the slot on the chassis.
CAUTION: To avoid damaging the power LED, do not use excessive force.
2. Align the locking tabs on the control panel with the notches on the chassis and angle the control
panel until it snaps into place.
When properly seated, the control panel will be flush with the front panel.
3. Close the system.
4. Reconnect the system and peripherals to their power sources, and turn them on.
5. If applicable, install the front bezel.
Removing The Control-Panel Module
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
1. If installed, remove the front bezel.
2. Turn off the system, including any attached peripherals, and disconnect the system from the
electrical outlet and peripherals.
3. Open the system.
4. Remove the control panel from the chassis.
5. Remove the screw(s) securing the control-panel module to the chassis.
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