Having problems with your HP Compaq NC6400 Business Notebook ?

Battery shows charge, works on other computers but not my hp

\015 The battery that came with the computer works on other business notebooks but not the hp compaq nc6400 it came with. This battery also makes a humming noise. It charges on the other computers but does not work on the computer it came with. when attached to the nc6400 it will not start up on battery power alone. the computer will, however start when connected to the ac adapter/charger. Please help me. Thank you.\015

Answers :

You got a bad connection in the battery compartment on the lap top try taking a Q-tip and cleaning all the contacts in the battery compartment. hope it helps.
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