Dell OptiPlex SX260 Setup and Quick Reference Guide - Page 9
CAUTION: Safety Instructions, General - power adapter
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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. • To avoid shorting out your computer when disconnecting a network cable, first unplug the cable from the network adapter on the back of your computer, and then from the network jack. When reconnecting a network cable to your computer, first plug the cable into the network jack, and then into the network adapter. Setup and Quick Reference Guide 7