Dell Precision WorkStation 420 Service Manual page 30

Figure 10. 3.5-Inch Diskette Drive Bracket
5.25-Inch Diskette, LS-120 SuperDisk, Tape, or CD-ROM Drive Removal
To remove a diskette, LS-120 SuperDisk, tape, or CD-ROM drive, perform the following steps:
1. Remove the computer cover.
2. Disconnect the DC power cable and interface cable from the back of the drive.
3. Squeeze the metal tabs that extend from each side of the drive bracket toward each other.
4. Pull the bracket out of the bay (see
5. Turn the drive/bracket assembly upside down and unscrew the four screws that secure the drive to the bracket (see
Figure 11. 5.25-Inch Drive Removal
Figure 12. 5.25-Inch Drive Bracket
1 3.5-inch diskette drive
2 Retaining tabs (2)
3 Bracket
4 Screw
Figure 11).
1 Bracket tabs (2)
Figure 12).