Dell 1900 Personal Computer User Manual


 
48 Installing System Components
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
T
urn off the system and attached peripherals, and disconnect the system from the electrical outlet
and peripherals.
2 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 3-3
.
5 Lift up on the latch on top of the system. See
Figure 3-3
.
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 3-3
.
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 3-3
.
5
If applicable, replace the Kensington cable lock on the back of the chassis. See Figure 1-2 for the
location of the lock slot on the back of the chassis.
6
Place the system upright and on its feet on a flat, stable surface.
7
Reattach any peripherals, then connect the system to the electrical outlet.