Toshiba portege m400 Manuel D’Utilisation

User’s Manual

9-5

Troubleshooting

If you have trouble turning on the computer with the AC adaptor connected, 
check the DC IN indicator. Refer to Chapter 6, 

 for more information.

If you suspect a problem with the battery, check the DC IN indicator as well 
as the Battery indicator. For information on indicators and battery 
operation see Chapter 6, 

If the computer has reached room temperature 
and still does not start, or if it starts but shuts 
down quickly contact your dealer.

Computer shuts down 
and its DC IN indicator 
is flashing green

Indicates a problem with the heat dispersal 
system. Please contact your dealer.

AC adaptor doesn’t 
power the computer 
(DC IN indicator does 
not glow green)

Check the connections. Make sure the cord is 
firmly connected to the computer and a power 
outlet.

Check the condition of the cord and terminals. If 
the cord is frayed or damaged, replace it. If the 
terminals are soiled, wipe them with cotton or a 
clean cloth. 

If the AC adaptor still does not power the 
computer, contact your dealer.

Battery doesn’t power 
the computer 

The battery may be discharged. Connect the AC 
adaptor to charge the battery.