Powerbook Wont Stay On If Power Cable Is Unplugged

[boonub]

Hi,
My powerbook wont stay turned on unless it is plugged in, and charging, but its always fully charged. There doesn't to be anything wrong with the battery, as i have swapped batteries with my other powerbook, and everything worked OK, for the other laptop.

Any help would be grateful.

Thanks.

 

[jh2112]

I would try cleaning the contacts on the battery and the powerbook. If that doesn't work try reseting the power manager
http://docs.info.apple.com/article.html?artnum=14449