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Safety Instructions 11
• To help protect your computer from sudden, transient increases and
decreases in electrical power, use a surge suppressor, line conditioner, or
uninterruptible power supply (UPS).
• Be sure nothing rests on your computer’s cables and that the cables are
not located where they can be stepped on or tripped over.
• Do not push any objects into the openings of your computer. Doing so
can cause fire or electric shock by shorting out interior components.
• Keep your computer away from radiators and heat sources. Also, do not
block cooling vents. Avoid placing loose papers underneath your
computer; do not place your computer in a closed-in wall unit or on a
bed, sofa, or rug.
When Working Inside Your Computer
Before you open the computer cover, perform the following steps in the
sequence indicated.
CAUTION: Do not attempt to service the computer yourself, except
as explained in your online Dell documentation or otherwise provided
to you. Always follow installation and service instructions closely.
NOTICE: To help avoid possible damage to the system board, wait 5 seconds
after turning off the computer before removing a component from the system
board or disconnecting a device from the computer.
1
Perform an orderly computer shutdown using the operating system menu.
2 Turn off your computer and any devices.
Safety Instructions
(continued)