Dell R420xr Personal Computer User Manual


 
13. cable routing latch
14. power distribution board
15. power distribution board shroud
Cooling Shroud
Removing The Cooling 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 with the cooling shroud removed. The system may get
overheated quickly, resulting in shutdown of the system and loss of data.
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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