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Dell Inspiron 17R (N7110, Early 2011) User Manual

Page 58

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56

Solving Problems

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.

• Check the AC adapter cable connections.

If the AC adapter has a light, ensure that
the light on the AC adapter is on.

• If the problem persists, contact Dell (see

“Contacting Dell” on page 80).

If the power light is solid white and the
computer is not responding — The display
may not be responding.

• Press the power button until the computer

turns off and then turn it back on.

• If the problem persists, contact Dell (see

“Contacting Dell” on page 80).

If the power light is breathing white — The
computer is in standby mode or the display
may not be responding.

• Press a key on the keyboard, move the

connected mouse or a finger on the touch

pad, or press the power button to resume
normal operation.

• If the display is not responding, press the

power button until the computer turns off
and then turn it back on.

• If the problem persists, contact Dell (see

“Contacting Dell” on page 80).

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.