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22 Case Access
Preventing static electricity discharge
Before opening the computer case, follow these precautions to prevent
damage from static electricity. When opening your computer case, always
perform the following procedure.
To prevent static electricity discharge:
1 Turn off the computer power.
2 Touch a bare metal surface on the back of the computer.
3 Unplug all power cords from AC outlets and disconnect the modem cable
(if installed).
Also follow these static electricity precautions:
■ Avoid static-causing surfaces such as plastic and packing foam in your
work area.
■ Remove the parts from their antistatic bags or containers only when you
are ready to use them. Do not lay parts on the outside of an antistatic
bag or container because only the inside provides antistatic protection.
■ Always hold cards by their edges and their metal mounting brackets.
Avoid touching components on the cards and the edge connectors that
connect to expansion slots. Never slide cards or other parts over any
surface.
Caution Static electricity can permanently damage electronic
components in your computer. Prevent electrostatic
damage to your computer by following static electricity
precautions every time you open your computer case.
8505945.book Page 22 Thursday, March 9, 2000 2:13 PM