Dell Alienware M17x R3 (Early 2011) - Manual (Page 122)

APPENDIX
120
GENERAL AND ELECTRICAL SAFETY PRECAUTIONS
Computer Setup
• Read all instructions marked on the product and in the documentation before operating
your computer.
• Retain all safety and operating instructions.
• Never use this product near water or a heat source.
• Only set‑up the computer on a stable work surface.
• Only operate the computer using the power source type indicated on the rating label.
• Never block or cover any openings or fans in the computer case. These are required for
ventilation.
• Never insert objects of any kind into the ventilation openings.
• Ensure that your computer is properly grounded when in use.
• Do not attempt to connect your computer into an outlet that is not properly grounded.
• If an extension cord is used with your computer, ensure that the total ampere rating on
the computer does not exceed the maximum rating on the extension cord.