Specifications

When the cover is off the system unit, you can see the power
supply and any memory and option modules inside the unit.
An option module
Memory modules
Power supply
WSE2O028
Figure 2-4. The inside of the system unit
To replace the cover on the system unit
1. Facing the front of the system unit, grasp each side of the
cover with your hands and position it so it rests on top of
the unit about 3 inches short of the back panel of the unit.
2. Move the cover straight toward the back panel of the
system unit until it slips into place on the unit.
3. Press the cover-release screw on the back of the unit toward
you and turn it to your left until it locks in place.
2–6 System Unit, Monitor, Keyboard, and Mouse or Tablet