Dell Precision 690 - Manual (Page 62)

4. Remove the drive panel (see Removing the Drive Panel ).
5. If you are installing a new drive, remove the drive-panel insert from a 5.25-inch drive bay (see Removing a Drive-Panel Insert ).
If you already have a drive installed in the drive bay, remove the optical or hard drive. See the appropriate removal instructions.
6. Place the SATA hard drive in the hard-drive bracket and press the drive down until it snaps securely into place.
7. Slide the hard drive in the hard-drive bracket into the hard-drive carrier.
8. Slide the hard-drive carrier into the 5.25-inch drive bay until it is securely seated.
1 hard drive
2 hard-drive bracket
1 hard-drive carrier
2 hard drive in hard-drive bracket
1 sliding-plate lever
2
hard-drive carrier with hard drive