Dell PowerEdge R720 Owner's Manual download pdf (Page 112)

8. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.

9. If applicable, install the front bezel.

Removing The Optional Hard-Drive Backplane (Back)

NOTE: This procedure applies only to PowerEdge R720xd.

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. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.

2. 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.

3. Remove both hard drives.

4. Disconnect all the cables from the backplane.

5. Lift the release pin and slide the backplane away from the chassis.

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Dell PowerEdge R720 Owner's Manual Page 112