Dell Inspiron 1440 Setup Guide - Page 34

Power Problems

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Solving Problems Power Problems If the power light is off - The computer is either turned off or is not receiving power. • Reseat the power cable into both the power connector on the computer and the electrical outlet. • 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. • 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 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 light is blinking white - The computer is in standby mode. Press a key on the keyboard, move the pointer using the touch pad 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. 32

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32
Solving Problems
Power Problems
If the power light is off
— The computer is
either turned off or is not receiving power.
Reseat the power cable into both the
•
power connector on the computer and the
electrical outlet.
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.
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 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 light is blinking white
— The
computer is in standby mode. Press a key on
the keyboard, move the pointer using the touch
pad 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.