Removing the hard drive backplanePrerequisites1. Follow the safety guidelines listed in the Safety instructions section.2. Follow the procedure listed in the Before working inside your system section.3. Remove the cooling shroud.4. Remove the cooling fan assembly.5. Remove all hard drives.CAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.CAUTION: To prevent damage to the drives and backplane, you must remove the hard drivesfrom the system before removing the backplane.CAUTION: You must note the number of each hard drive and temporarily label them beforeremoval so that you can replace them in the same locations.Steps1. Disconnect the SAS/SATA data, signal, and power cable(s) from the backplane.2. Press the release tabs and lift the backplane upward and slide it toward the back of the chassis.NOTE: To prevent damage to the control panel flex cable, unlatch the blocking tab on theconnector before removing the flex cable. Do not bend the flex cable at the connector. Tounlatch the blocking tab for the x12 backplane, pull the locking tab up. For the x18 and x2backplanes, rotate the locking tab 90 degrees clockwise.190
