Dell Precision T5400 (Late 2007) - Manual (Page 251)

Adding and Replacing Parts 251
6 If the FlexBay is not populated and metal shields are present in your
computer (see "About the Metal Shields Present in Some Drive
Configurations" on page 207), remove the vented metal insert:
a Pull the vented metal insert forward until its surface is flush with that
of the surrounding chassis.
b Rotate the bottom of the metal insert up towards you, disengaging its
lower screws from the surrounding metal.
c Lift the metal insert from the computer, disengaging its top screws
and metal tabs from the surrounding metal.
7 Remove the FlexBay drive-panel insert (see "Removing a Drive-Panel
Insert" on page 235).
1 FlexBay 2 vented metal insert
2
1