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Solving Problems
If the computer is plugged into a power strip, •
ensure that the power strip is plugged into
an electrical outlet and that the power strip
is turned on. Also bypass power protection
devices, power strips, and power extension
cables to verify that the computer turns on
properly.
Ensure that the electrical outlet is working •
by testing it with another device, such as a
lamp.
Ensure that the power supply light on the •
back of the system is on. If the light is off
there may be a possible problem with the
power supply or the power cable.
If the power light is solid white and the
computer is not responding — The display may
not be connected or powered on. Ensure that
the display is properly connected and then turn
it off, then back on.
If the power light is blinking white — The
computer is in sleep state. Press a key on the
keyboard, move the pointer on the trackpad or a
connected mouse, or press the power button to
resume normal operation.
If you encounter interference that hinders
reception on your computer — An unwanted
signal is creating interference by interrupting or
blocking other signals. Some possible causes of
interference are:
Power, keyboard, and mouse extension •
cables.
Too many devices connected to a power •
strip.
Multiple power strips connected to the same •
electrical outlet.