Solving Problems
Power Problems
If the power indicator light is off — The
computer is either turned off, in hibernate mode,
or is not receiving power.
Press the power button. The computer •
resumes normal operation if it is off or in
hibernate mode.
Reseat the AC adapter into both the power •
connector on the computer and the electrical
If the AC adapter 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.
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 power indicator 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 power indicator light is breathing
white — The computer is in standby mode.
Move the pointer using the connected mouse
or press the power button to resume normal
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.