
CAUTION: Static electricity can damage the electrical components of the computer or optional
equipment. Before beginning these procedures, ensure that you are discharged of static electricity by
briefly touching a grounded metal object. See Appendix D,
Electrostatic Discharge on page 96 for
more information.
When the computer is plugged into an AC power source, voltage is always applied to the system
board. You must disconnect the power cord from the power source before opening the computer to
prevent damage to internal components.
Warnings and Cautions
9
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