IBM Aptiva, Handbook

Page: 73 / 202

Opening the system unit 59
4.
Remove the system unit cover. The cover on the
desktop system unit slides along grooves that run
along the sides of the frame. Follow these steps:
a.
Press on the corner of the system unit door to
open it.
b.
Press up on the cover release latch and slide
the cover off completely.
System Unit Door
Cover Release Latch
5.
Touch the bare metal frame of your system unit to
dissipate the static electricity from your body. Do
not touch any of the components inside the frame
before you touch the frame. Do not touch any
component with a voltage warning label.
6.
Disconnect the system unit power cord.
Opening a minitower system
unit
To open a minitower system unit, you need a
screwdriver. When you work with the hardware
components in the system unit, you might need a set of
small screwdrivers.
For your safety and the safety of your equipment, follow
these steps when you remove the system unit cover:
1.
If your computer is on, turn off the system unit, the
monitor, and any external components, such as a
printer.
2.
Unplug all cables and cords from the system unit
except the system unit power cord. Be sure to
disconnect any telephone line connections too.