Dell Precision T5400 (Late 2007) - Manual (Page 158)

158 Adding and Replacing Parts
4 Grasp the handle on the hard-drive carrier and rotate the carrier out of the
chassis so that it is at an angle of less than 180 degrees from its original
position.
Replacing the Front Panel and Computer Cover
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from
the electrical outlet before opening the cover.
NOTICE: To prevent static damage to components inside your computer, discharge
static electricity from your body before you touch any of your computer’s electronic
components. You can do so by touching an unpainted metal surface on the
computer.