Dell R420xr Personal Computer User Manual


 
Removing The Hard-Drive Backplane
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.
3. Open the system.
CAUTION: To prevent damage to the drives and backplane, you must remove the hard drives
from the system before removing the backplane.
CAUTION: You must note the number of each hard drive and temporarily label them before
removal so that you can replace them in the same locations.
4. Remove all hard drives.
5. Disconnect the SAS/SATA/SSD data, signal, and power cable(s) from the backplane.
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