If the power button/indicator 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
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 75).
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
Power, keyboard, and mouse extension cables.
Too many devices connected to a power strip.
Multiple power strips connected to the same