Dell Precision T5400 (Late 2007) - Manual (Page 166)

166 Adding and Replacing Parts
6 Press the tab between the card fan and the front fan towards the card fan
as you lift it up and out of the computer.
NOTICE: Carefully note the routing of each cable before you disconnect it, so that
you are sure to re-route cables correctly. An incorrectly routed or a disconnected
cable could lead to computer problems.
7 Note the routing of each cable as you disconnect all cables attached to the
I/O panel.
8 Remove the mounting screw from the I/O panel.
9 Remove the I/O panel from the computer.
1 I/O panel 2 mounting screw
1
2