Dell 2900 Personal Computer User Manual


 
Installing System Components 53
Installing the Bezel
1
Insert the hooks on the end of the bezel into the bezel slots on the right (or bottom) side of the system
front plate. See Figure 3-1 for rack systems or Figure 3-2 for tower systems.
2
Rotate the other end of the bezel toward the front panel and press the bezel onto the panel to engage
the latch.
3
Lock the bezel.
Opening the System
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
CAUTION: Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the
system by yourself.
1
U
nless you are installing a hot-plug component such as a cooling fan or power supply, turn off the
system and attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2 If you are working with a tower system, place the system on its side
on a flat stable surface with the
feet overhanging the edge of the work surface.
3
If present, unlock and remove the Kensington cable lock on the back of the system chassis.
4 To remove the system cover, turn the latch release lock on the cover latch counterclockwise to the
unlocked position. See
Figure 3-4
.
5 Lift up on the latch on top of the system. See
Figure 3-4
.
6
Grasp the cover on both sides and carefully lift the cover away from the system.
Closing the System
1
Lift up on the cover latch.
2 Place the cover on top of the system and offset the cover slightly back so that it clears the chassis J
hooks and lays
flat o
n the system chassis. See
Figure 3-4
.
3
Push the latch down to lever the cover into the closed position.
4
Turn the latch release lock clockwise to the locked position.
See
Figure 3-4
.
5
Replace the Kensington cable lock on the back of the chassis. See Figure 1-4 for the location of the lock
slot on the back of the chassis.