Dell Precision T3400 (Late 2007) - Manual (Page 231)

Adding and Replacing Parts
231
12 Connect your computer and devices to their electrical outlets, and turn
them on.
See the documentation that came with the drive for instructions on
installing any software required for drive operation.
13 Enter System Setup (see "Entering System Setup" on page 81) and select
the appropriate Diskette Drive (for a floppy drive) or USB (for a Media
Card Reader) option.
14 Verify that your computer works correctly by running the Dell Diagnostics
(see "Dell Diagnostics" on page 107).
Optical Drive
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.
Removing an Optical Drive (Tower Computer)
1 Follow the procedures in "Before You Begin" on page 143.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 145).
3 Remove the front panel (see "Removing the Front Panel" on page 154).
4 Disconnect the power cable from the back of the drive and the CD/DVD
drive cable from the back of the drive and the system board.