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Hi all,

I've recently started to have a problem with my HP Pavilion ZE4900 notebook. For some reason, it can't get a charge.

When the AC adapter is plugged in, an indicator light will light up to confirm that the laptop is charging. But whenever I plug the AC in, the light doesn't come on anymore. Sometimes the light will come on, only to go back off a second later. I've ruled out the AC adapter by using another one and I've ruled out the battery by taking it out and trying to power it off the AC alone. With both, I still have the same problem, which leads me to believe that it could be an internal problem.

Anyone have any guesses what the problem could be? Let me know if any extra information is needed. Any help or suggestions would be greatly appreciated!
 

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Have you tried with a known good/working battery? If you can boot up using a good/working battery then you may have a problem with the AC adapter. But since you have ruled out the AC adapter, then it could be the DC connection (this on the laptop side where the output jack of the AC adapter plugs into).
 

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This may not help you, but I had a similar problem with my uncle's laptop. I had to rotate the cable a bit until it found the position then it would light up. If I moved it however little from that position it would turn off. You may have to wait like 5 seconds when trying a specific position to see if it works.
 
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