Caution: Safety Instructions; General - Dell Precision 650 System Information Manual
Models whl, dhs, dhm, and whm
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Also See for Precision 650:
- Setup and quick reference manual (260 pages) ,
- User manual (326 pages) ,
- Service manual (69 pages)
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CAUTION: Safety Instructions
Use the following safety guidelines to help ensure your own personal safety and to help protect
your computer and working environment from potential damage.
General
•
Do not attempt to service the computer yourself unless you are a trained service
technician. Always follow installation instructions closely.
•
To help prevent electric shock, plug the computer and device power cables into properly
grounded electrical outlets. These cables are equipped with 3-prong plugs to help ensure
proper grounding. Do not use adapter plugs or remove the grounding prong from a cable.
If you must use an extension cable, use a 3-wire cable with properly grounded plugs.
•
To help avoid the potential hazard of electric shock, do not use your computer during an
electrical storm.
•
To help avoid the potential hazard of electric shock, do not connect or disconnect any
cables or perform maintenance or reconfiguration of this product during an electrical
storm.
•
If your computer includes a modem, the cable used with the modem should be
manufactured with a minimum wire size of 26 American wire gauge (AWG) and an
FCC-compliant RJ-11 modular plug.
•
Before you clean your computer, disconnect the computer from the electrical outlet.
Clean your computer with a soft cloth dampened with water. Do not use liquid or aerosol
cleaners, which may contain flammable substances.
•
To help avoid possible damage to the system board, wait 5 seconds after turning off the
computer before disconnecting a device from the computer.
6
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