Removing the Hard Drive1. If you are removing a hard drive that contains data you want to keep, back up your files before you begin this procedure.2. Perform the procedure Before Working on Your Computer.3. Lay the computer on its side so that the system board is on the bottom of the inside of the computer.4. Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assembly).5. If you are removing a 3.5-inch drive:a. Remove the old hard drive from the shroud by pulling out the release tabs slightly to free the drive from the shroud.b. Install a replacement primary hard drive. Go to Replacing a Hard Drive and skip the rest of this procedure.6. If you are removing a 2.5-inch drive:a. Remove the 2.5-inch hard drive caddy from the shroud by slightly pulling out the release tabs to free the caddy.b. Detach the hard drive to be removed from the 2.5-inch hard drive caddy by removing the four screws, two on each side, that secure it to thecaddy. The primary hard drive is mounted on the flat side of the 2.5-inch hard drive caddy, and the secondary hard drive is mounted on the U-shaped side.1 power cable 2 SATA data cable1 3.5" hard drive 2 hard drive shroud3 release tabs (2)1 2.5" hard drive with caddy 2 hard drive shroud3 release tabs (2)