WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. . After working inside your computer, follow the instructions in After Working Inside Your Computer.

CAUTION: To avoid data loss, do not remove the hard drive while the computer is On or in Sleep state.

CAUTION: Hard drives are extr emely fragile. Exercise care when handling the hard drive.

Remove the screws that secure the hard-drive assembly to the computer base.