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User’s Manual 8-5
PORTÉGÉ M780
Overheating power down
In the event that the computer’s internal operating temperature becomes
too high, the system will automatically enter either Hibernation Mode or
Sleep Mode and shut itself down.
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, Power and Power-Up Modes, for further information.
Problem Procedure
Computer shuts down
and DC IN indicator
blinks orange
Leave the computer off until the DC IN indicator
stops blinking.
It is recommended to leave the computer off until the interior reaches room
temperature even though 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.
Computer shuts down
and its DC IN
indicator is flashing
green
This indicates a problem with the heat dispersal
system - you should contact your reseller, dealer
or service provider.
Problem Procedure
AC adaptor doesn’t
power the computer
(DC IN indicator does
not glow green)
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.