Replacing a CD-ROM, CD-RW, or DVD optical drive1. Open the cover. See “Opening the cover” on page 25.2. Rotate the drive bay upward to gain access to the cable connections. See“Accessing system board components and drives” on page 27 and “Locatingcomponents” on page 26.3. Disconnect the signal and power cables from the drive.Note: Blue straps are provided to help when disconnecting cables.4. Slide the blue plastic drive lock 1 to the unlocked position.5. Open the door at the front of the drive and slide it out the front of thecomputer.6. Slide the new drive partially into the bay from the rear.Note: Be sure to set the new drive’s jumper from ″Master″ to ″Cable Select″before installing it.7. Connect the flat cable to the new drive.8. Position the new drive completely into the bay and slide the blue plastic drivelock 1 to the locked position.9. Depending on the type of drive you are installing, go to “Connecting an IDEhard disk or CD drive” on page 42.10. Go to “Closing the cover and connecting the cables” on page 46.Replacing the hard disk drive1. Open the cover. See “Opening the cover” on page 25.2. Rotate the drive bay upward to gain access to the cable connections. See“Accessing system board components and drives” on page 27 and “Locatingcomponents” on page 26.3. If a CD drive is installed, it helps to disconnect the signal cable from the driveto access the hard disk drive cables.Note: Blue straps are provided to help when disconnecting cables.40 Hardware Maintenance Manual