IBM Aptiva 2156, Hardware Maintenance Service

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Safety Information
DANGER
To avoid a shock hazard, do not connect or disconnect any cables or
perform installation, maintenance, or reconfiguration of this product
during an electrical storm.
To avoid shock hazard:
The power cord must be connected to a properly wired and earthed
receptacle.
Any equipment to which this product will be attached must also be
connected to properly wired receptacles.
When possible, use one hand to connect or disconnect signal cables to
prevent a possible shock from touching two surfaces with different
electrical potentials.
Electrical current from power, telephone, and communications cables is
hazardous. To avoid shock hazard, connect and disconnect cables as
described following when installing, moving, or opening covers of this
product or attached devices.