Dell™ Latitude™ E6420 XFR Service ManualPage 525. Slide hard drive out of the carrier.26.2 Replacing the Hard DriveCAUTION: Before you begin any of the procedures in this section, follow the safetyinstructions that shipped with your computer.NOTICE: Hard drives are extremely fragile. Exercise care when handling the hard drive.NOTICE: Use firm and even pressure to slide the hard drive into place. Excessive force mayresult in damage to the connector.1. Slide the hard drive into the hard drive module carrier and secure from bottom using four M3 x 4 mm screws.2. Orient the hard drive module to the computer. With the computer in its upright position, the text on the harddrive pull tab will be readable.3. Slide the hard drive module into the hard drive bay until you hear a click and a mechanical stop.4. Close the hard disk drive door by rotating it up until it clicks into its locked position.5. Follow the procedures in After Working on Your Computer.6. Install the operating system, drivers, and utilities for your computer, as needed. For more information, seethe Setup and Features Information Guide that shipped with your computer or at support.dell.com.27 Modular DriveThe modular drive supports either a second hard drive, an optical drive, or an air bay for travel.27.1 Removing the Modular DriveCAUTION: Before you begin any of the procedures in this section, follow the safetyinstructions that shipped with your computer.1. Follow the procedures in Before Working on Your Computer.2. Open the modular (XBay) drive door located on the right side panel by pushing the latch towards the rear ofthe computer, and then rotating the door down.3. Use the release latch to slide the drive out of the modular bay.