My ibm thinkpad t41 turns on and after 3 seconds it turns off

[niroshan97]

my ibm thinkpad t41 turns on and after 3 seconds it turns off and if i want to turn it back on i have to take the battery out and put it back in pleaaaase can someone help me by telling me how to fix it or what the problem is??????

 

[buwish]

It seems to be a power related issue if taking out and putting the battery pack in does the trick. It could be a bad AC adapter, a bad power jack, or even a bad battery.