If the hard drive is online, the green activity/fault indicator flashes as the drive is turned off. When the hard-driveindicators are off, the hard drive is ready for removal.2. Press the release button to open the hard-drive carrier release handle.3. Slide the hard-drive carrier out until it is free of the hard-drive slot.CAUTION: To maintain proper system cooling, all empty hard-drive slots must have hard-drive blanksinstalled.4. Insert a hard-drive blank in the empty hard-drive slot.Figure 12. Removing and Installing a Hot-Swap Hard Drive1. release button2. hard drive3. hard-drive carrier handleInstalling A Hot-Swap Hard DriveCAUTION: 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.CAUTION: Use only hard drives that have been tested and approved for use with the hard-drive backplane.CAUTION: When installing a hard drive, ensure that the adjacent drives are fully installed. Inserting a hard-drivecarrier and attempting to lock its handle next to a partially installed carrier can damage the partially installedcarrier's shield spring and make it unusable.CAUTION: When a replacement hot-swappable hard drive is installed and the system is powered on, the hard driveautomatically begins to rebuild. Make absolutely sure that the replacement hard drive is blank or contains data thatyou wish to have over-written. Any data on the replacement hard drive is immediately lost after the hard drive isinstalled.1. If a hard-drive blank is installed in the hard-drive slot, remove it.2. Install a hard drive in the hard-drive carrier.3. Press the release button on the front of the hard-drive carrier and open the hard-drive carrier handle.36