Having problems with your IBM ThinkPad T21 Notebook ?

Toshiba M400 Battery 100% but when power disconnetced shuts down

\015 I have a Toshiba M400 running VISTAThe Batty is reporting 100% Charge and the yellow charge light comes on when I unplug and replug in the battery. Then it turns off.If I disconnect the mains power the system turns off. Crash. Could the battery be at fault or the motherboard or Power management driver?What tests can I run? \015

Answers :

Hi I am Vortash .. firstly take the battery out entirely then put your adapter in and boot up if the charge light is off you can safely assume the computer is fine .. batteries have a shelf life and an internal memory , they tend to do strange and wonderful things when they reach old age lol one of them is telling lies it says it's full when it's empty .. you will probably find a cheap replacement on Ebay or Amazon and I think you will find that will cure your problem .In the event the first test was a bust and on your computer the charge light still came on .. then you should take it to a service department for a free estimate they will tell you whats wrong and if you don't get it repaired there you can ask on here how to repair it ?. regards vortash
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