Dell Precision T3400 (Late 2007) - Manual (Page 205)

Adding and Replacing Parts
205
9 Set the drive aside in a secure location.
10 If you are removing a hard drive that has a metal shield, and are not going
to install a replacement drive in the drive bay, reinstall the shield in the
empty bay (see "About Metal Shields (Present in Some Drive
Configurations)" on page 188). Then, install a drive-panel insert (see
Replacing a Drive-Panel Insert).
1 sliding-plate lever 2 optional third hard drive in lower
5.25-inch drive bay
1
3
2