Removing The Hard-Drive Backplane (Back)CAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. 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 systembefore removing the backplane.CAUTION: You must note the number of each hard drive and temporarily label them before removal so thatyou 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.6. Lift the backplane to remove it from the chassis.Figure 41. Removing and Installing the Optional 2.5 Inch (x2) Hard-Drive Backplane75
