4.Disconnect the power and data cables from the back of the drive.

5.If you are uninstalling your only IDE CD/DVD drive and will not replace it at this time, disconnect the data cable from the system board and set it aside. If you are uninstalling a SATA optical drive and not replacing it, disconnect the SATA data cable from the system board.

1IDE data cable

2power cable

3SATA data cable

4system-board SATA optical connector (labeled SATA on the system board)

5system-board IDE connector

6.Slide the sliding-plate lever to the right to release the shoulder screw and slide the drive out to remove it from the drive bay.

1sliding-plate lever

2CD/DVD drive

7.If you are not installing another drive in the CD/DVD drive bay, install a drive panel insert (see Replacing a Drive-Panel Insert).

8.If you are installing another drive in the CD/DVD drive bay, see the appropriate installation instructions in this section.

9.Reinstall the drive panel (see Replacing the Drive Panel).

10.Replace the computer cover (see Replacing the Computer Cover).

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Dell 690 manual