Dell Inspiron 15z (1570, Mid 2009) - Manual (Page 40)

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Solving Problems
Power Problems
If the power light is off — The computer is
either turned off, in hibernate state, or not
receiving power.
Press the power button. The computer •
resumes normal operation if it is off or in
hibernate mode.
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. Move the mouse,
touch the touch pad, or press the power button
to resume normal operation.
If the power light is solid amber — The
computer is in standby mode and the battery
charge is low.
Connect the AC adapter to charge the •
battery.
Move the mouse, touch the touch pad, or
•
press the power button to resume normal
operation.