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Overheating power down
If the processor's temperature reaches an unacceptably high level with
either setting, the computer will automatically shut down to prevent any
damage - in this instance all unsaved data in memory will be lost.
Problem
Computer shuts
down and DC IN
indicator blinks green
It is recommended to leave the computer off until its interior reaches room
temperature even though the DC IN indicator stops blinking.
Computer shuts
down and DC IN
indicator is flashing
green
AC power
If you have trouble turning on the computer with the AC adaptor connected
you should check the status of the DC IN indicator. Please refer to
Chapter 6,
Problem
AC adaptor doesn't
power the computer
(DC IN indicator does
not glow green)
User's Manual
Procedure
Leave the computer off until the DC IN indicator
stops blinking.
If the computer has reached room temperature
and it still does not start, or if it starts but shuts
down quickly, contact your reseller, dealer or
service provider.
This indicates a problem with the heat dispersal
system - you should contact your reseller, dealer
or service provider.
Power and Power-up
Procedure
Check the connections to make sure that the
power cord/adaptor is firmly connected to the
computer and a working power outlet.
Check the condition of the cord and terminals.
If the cord is frayed or damaged it should be
replaced, while if the terminals are soiled, they
should be cleaned with a clean cotton cloth.
If the AC adaptor still does not power the
computer, you should contact your reseller,
dealer or service provider.
Modes, for further information.
L550/L550D/L555/L555D
9-5
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