Toshiba Portege M750 User Manual page 207

Problem
AC adaptor doesn't
power the computer
(DC IN indicator does
not glow green)
Battery
If you suspect a problem with the battery, you should check the status of
the DC IN indicator as well as the Battery indicator. Please refer to Chapter
6, Power and Power-Up Modes
together with general battery operation.
Problem
Battery doesn't power
the computer
User's Manual
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.
for more information on these indicators,
Procedure
The battery may be discharged - connect the AC
adaptor to recharge the battery.
Troubleshooting
8-6