1. Follow the instructions in Before Working Inside Your Computer, including removing the system battery.2. Turn the computer over and open the display (see Opening the Display).3. Detach the keyboard by grasping the sides of the keyboard and pulling it straight out from the computer base. Set thekeyboard aside.4. Remove the cosmetic covers (see Removing the Cosmetic Covers).5. Remove the top cover (see Removing the Top Cover).6. Loosen the four captive screws on each corner of the hard drive bracket.7. Lift the hard drive only a few inches, and disconnect the data cable from the system board by pulling up on the blacktab.1 primary hard drive (HDD1) 2 hard drive bracket 3 captive screws (4)4 pull tabNOTICE: When the hard drive is not in the computer, store it in protective antistatic packaging. See "ProtectingAgainst Electrostatic Discharge" in your Product Information Guide.8. Remove the four M3 x 3-mm screws that attach the hard drive to the hard drive bracket.9. Pull the strap on the hard drive cable to remove the data cable from the hard drive. Reserve this cable for use with thenew hard drive.