Dell Inspiron 17R (N7110, Early 2011) - Manual (Page 58)

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.