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Wont Charge I have an HP Compaq 6510b, It wont charge with the a/c adapter only when I have it on the docking station. I have purchased two batteries and two a/c adapters and nothing works, can you help?

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Does the laptop power on and load the operating system when the AC adapter is connected without having a battery installed or having the laptop in the docking bay? If so, then the problem is either with the battery or the internal charging circuit. If the laptop is less than a year old, return it to HP for repair under warranty. If the laptop will not power up with the AC adapter, no (or dead) battery, and not docked, then the problem could be with the power connector on the left side of the laptop. If the power connector jack that the AC adapter plugs into is loose, then the jack will need to be resoldered or replaced. If you don't have experience disassembling laptops and soldering electronics, you should take it to a repair shop. If it is still under warranty, take it to HP. They have had problems with other laptops with loose power jacks causing them to offer repairs even after the warranty had expired. If the power jack is good but the laptop will not receive power from a known good AC adapter, then the most likely cause is a defective circuit on the motherboard. Hope this helps.

Posted on Jun 12, 2008

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Generally I would say power supply, but I'm leaning towards the power management chip on the motherboard. You can send it off and have it repaired or replace the board.

Posted on Jun 12, 2008

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