Dell Precision 340: CAUTION: Safety Instructions General

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.

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• 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 System Information Guide