CAUTION: Safety Instructions 9
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.