3. Remove the HHD from the cage door. NOTE: The HHD rails (callout 3) are not captive and can be easily separated from the component. Do not lose the rails while handling the HHD. Figure 2-20 Remove the encrypted HHD (3 of 4) 3 4. Disconnect one connector (callout 4), and then remove the HHD mounting rails. Do not lose the rails while handling the HDD. Reinstallation tip Use the rails to install a replacement HDD. After installing a replacement hard drive, you must reload the firmware by performing a firmware upgrade. See Installing a replacement hard drive on page 78 . Figure 2-21 Remove the encrypted HHD (4 of 4) 4 ENWW Customer replaceable units (CRUs) 77