Toshiba PPM78U05L01E User Manual

User’s Manual

8-5

PORTÉGÉ M780

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.

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, 

, for further information.

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.

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.