Dell R420xr Personal Computer User Manual


 
5. Install the control panel.
6. Reconnect the system and peripherals to their power sources, and turn them on.
7. If applicable, install the front bezel.
Power Distribution Board Shroud
Removing The Power Distribution Board Shroud
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.
CAUTION: Never operate your system without the power distribution board shroud. The system
may get overheated, which may result in loss of performance.
1. Turn off the system, including any attached peripherals, and disconnect the system from the
electrical outlet and peripherals.
2. Open the system.
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