Dell Precision T3400 (Late 2007) - Manual (Page 262)

262
Adding and Replacing Parts
Replacing the 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.
1 Ensure that all cables are connected, and fold cables out of the way.
Gently pull the power cables toward you so that they do not get caught
underneath the drives.
2 Ensure that no tools or extra parts are left inside the computer.
3 Replace the cover:
a Align the computer cover with the tabs on the side of the computer
that has the hard drive bays.
b Pivot the cover down and gently press the cover until it clicks into
place.
c Ensure that the cover is locked. If not, repeat all of step 3.
NOTICE:
To connect a network cable, first plug the cable into the network port or
device and then plug it into the computer.
4 Connect your computer and devices to electrical outlets, and turn
them on.