Dell Precision T5400 (Late 2007) - Manual (Page 226)

226 Adding and Replacing Parts
2 Remove the computer cover (see "Removing the Computer Cover and
Front Panel" on page 153).
3 Remove the drive panel (see "Removing the Drive Panel" on page 233).
4 Pull the desktop drive retention insert out by the handle and set it aside in
a safe place.
5 Disconnect the power cable from the back of the hard drive.
1 desktop drive retention insert 2 power cable
3 SATA data cable 4 SATA connector on system board
5 optional third SATA hard drive in
hard-drive carrier
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3
4
5
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