Lenovo ThinkPad Edge E50 - Manual (Page 10)

Electrical current safety information
DANGER
Electric current from power, telephone, and communication cables is
hazardous.
To avoid a shock hazard:
• Do not use your computer during a lightning storm.
• Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical
storm.
• Connect all power cords to a properly wired and grounded electrical
outlet.
• Connect to properly wired outlets any equipment that will be attached
to this product.
• Whenever possible, use one hand only to connect or disconnect signal
cables.
• Never turn on any equipment when there is evidence of fire, water, or
structural damage.
• Disconnect the attached power cords, battery pack, and all the cables
before you open the device covers, unless instructed otherwise in the
installation and configuration procedures.
• Do not use you computer until all internal parts enclosures are fastened
into place. Never use the computer when internal parts and circuits
are exposed.
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Service and Troubleshooting Guide