Dell Precision T5400 (Late 2007) - Manual (Page 229)

Adding and Replacing Parts 229
6 If another device is installed in the optical drive bay, remove that device
(see "Removing an Optical Drive (Desktop Computer)" on page 274).
NOTICE: If metal shields are present in your computer configuration, they must be
installed at all times while your computer is in use or your computer may not
function properly.
7 If the optical drive bay is unpopulated and metal shields are present in
your computer (see "About the Metal Shields Present in Some Drive
Configurations" on page 207), pull to remove the 5.25-inch metal shield.
Then, remove the drive-panel insert from a 5.25-inch drive bay (see
"Removing a Drive-Panel Insert" on page 235).
8 Flex the hard-drive bracket open and align the side holes in the hard drive
with the plastic pins on the bracket; release the tension upon the bracket
so that the hard drive is securely fastened.
1 desktop drive-retention insert 2 optional third SATA hard drive in hard-
drive carrier
2
1