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Sounds like the charging board may be malfunctioning/shorting out inside the laptop itself causing these ac adapter failures.You really need to have it looked at before other it causes you motherboard to fail or any components connected to it.The power jack may be shorting as well which is attached to the motherboard
I have an hp 6735b that shut down on me and wouldn't restart due to a heat related problem on the motherboard. I wound up replacing the motherboard for $115 from getcomputerparts.com in China. And, the labor was like $75 to do the job at a local computer shop. I understand that hp laptops have a problem with dust building up in the fan area and causing the motherboards to overheat, melting solder on the video chip.
Some companies can 'reflow' the solder by disassembling the laptop and applying heat to the video chip with a reported 90% success rate for a fee of $75 to $125, I've read on Ebay.com.
your motherboard has overheated causing the connection between your motherboard and your graphics card to become corrupt. you need a new motherboard or to get the one you have reflowed. sorry to give you bad news
If the power supply does not run the laptop without the battery, then the problem is the jack in the laptop, over time the plug breaks free of the motherboard causing intermittent operation or no power. If the power supply runs the laptop without the battery, it is the charging circuits on the motherboard that is the issue.
there is a motherboard issue with this model. hp did offer a free repair on the motherboard.If you still have warranty, then you will need to contact hp to get your laptop motherboard repaired. they also offered an extended warranty due to this problem, you will really need to contact them ASAP so that you don't loose out, cause the motherboard replacement cost is around $600USD.
Sometimes the AC port on the motherboard can become loose or disconnected and will cause the powercord to not charge to the batteries or run power to the motherboard. If you changed out the Power adapter and that didn't help, then this would be my best assumption. The AC connection on the motherboard can be replaced pretty easy by someone knowledgable in motherboard repair with sodering. Most of the time with this issue, a motherboard replacement is not required, Even though its alot easier to just replace the board. Most Repair places will probably talk you into replacing the board, even though its really not necessary, with this issue.
This is more than likely whats going on HP website says what to look for
"HP has identified a hardware issue with certain HP Pavilion dv2000/dv6000/dv9000 and Compaq Presario V3000/V6000 series notebook PCs, and has also released a new BIOS for these notebook PCs, version F.39 for dv2000/V3000, and version F.3D for dv6000/dv9000/V6000."
Hi Steve, If you haven't gotten any batteries to work properly at all and the problems are different each time, I would say the motherboard is shorting out the batteries and causing weird problems. One last thing to try if possible..
Try a known good working battery, if that battery doesn't work then its verified that the motherboard is bad. If the known good working battery works in that laptop then you got a bad batch and it will be a battery problem.
Since your laptop turns on with the ac adaptor means that the ac adaptor is good.
as a last resort,(or first, when I have laptop boot problems, is to unplug battery and power, and hold power button down for about 30 seconds, release, plug in and test.This Solves alot of laptop boot problems regardless of manufacturer. Hope this helps, if so thanks for any ratings
There is a class action lawsuit currently being initiated against HP for this issue. The Complaint alleges that HP misrepresented and concealed material facts regarding certain laptops including a design defect, which causes the power jacks of the laptops to fail.