Question about HP Pavilion dv4000 Notebook

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HP DV4000 power problems

My HP dv4000 is 3 or 4years old, never had a problem til about a month ago, it started shutting down for no reason. now it's the ac power pin jack on the motherboard i belive. i took a pair of needle nose pliers and bent the power pin down a little bit, and now it powers up, but will only stay on for about 15 minutes, then just shuts down on it own. i've took it about half way apart tryin to get to the motherboard to check the solder joint on the ac power pin, but was too afraid to take it all the way apart. so i put it back together, and it still does the same thing. the battery will charge and say 100% but the laptop will not power up from just the battery. you have to use the ac adapter and the battery. I read the 65w power supply wasn't big enough to run this laptop and HP should of sent the 90w power supply.
HP says the 65w is plenty, and i need a new motherboard, which i know i don't need a new motherboard. My question is i found the manuals here to take it apart step by step, is this a common problem with the dv4000?
i think HP should admit this is a defect, and recall or fix the problem.
i gave over $1.200.00 for this laptop brand new, and have took really good care of it. it is just this power jack on the motherboard problem.
i don't wanna risk messing somethin else up tryin to fix this power jack on the board...but i don't think i have any other choice. i tried testing the 65w power supply with a meter, and it said it was bad, but it still works. i took the laptop to staples, and they tried another ac 90w supply and it wouldn't power up. but i can bend on the pin with needle nose til it makes contact i guess and it powers up....strange i know..Have you guys ever had to solder this jack back on the board???

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  • R505 Mar 05, 2008

    well mine dose the same but a bit more ,, I also got mine new about 3 yrs ago ,, what it dose is it runs very slow or windows dont come up or it will just shut down, I've ran clean ups, diffrent test, sometimes windows will comes up when I pick up and tilt my laptop, when it is on and runing I can hear the hard drive sounding weard, some of the test that I ran it comes down to having problums with my hard drive, also my mouse work at times and at times it dont I have to unplug and plug it again, also whaen I open programs it tends to frezz, would you think it could be the hard drive? I dont think it would be a power problum

  • feel abused Aug 29, 2008

    I have the same problem with my 4000, but with my laptop I shut it down and was unable to start it back up. I had it into a computer repair place and they told me it was the motherboard, but couldn't tell me exactly what was wrong. I don't feel fuzzy warm about their diagnosis. I think HP has a problem and doesn't want to admit it. I contacted hp about trading it in but as long as it doesn't power up they don't want it. I think $1400,00 for three years is not a very good investment!!!!!

  • ruthsquire Dec 27, 2008

    I am having the same problem as R05. My laptop will shut off whether on AC or on Battery power. It will do it at varying times-- occasionally right after start, so probably not heat-related. It also loads windows slowly.

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Hi Friends,
Problem with HP Notebook Or Laptops? Follow the links.
For Software problems you can visit a link by just Click Here .
For Hardware problems with this Notebook you can Click Here

Posted on Jul 23, 2010

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Sorry to hear of your misfortune. A small problem with my Pavilion sent me searching for a solution when I encountered your post. Seems there is a class action lawsuit that may apply to your situation. Follow the enclosed link and read through the legal brief. You may find satisfaction there. You might consider calling or emailing the law firm for more exacting information. Best of fortune!

Paul

http://www.sfmslaw.com/pages/cases.php?id=300

Posted on Aug 08, 2009

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I was having the same problem. I removed the covers from underneath and cleaned it thoroughly. Problem solved.

Posted on Sep 18, 2008

Nope, it isn't what caused it in the first place...The ac plug was never in a position to put it in a bind, or bend it..I took good care of it...I have since took it all the way apart, and checked the ac jack on the motherboard, and it looks fine. it isn't lose, and the solder joints are fine..I also bought a brand new 120gb hard drive for it, and it didn't change anything..the ac plug is still good too.
i'd say it's a short in the motherboard, or power switch...

Posted on Mar 06, 2008

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Hello:

This is a very common problem...in our shop we have replaced hundreds of power jacks.

I would recommend you send this in for service ASAP as it could cause further damage...even to your mainboard. The jack itself is about $5.00 but the labor can vary upto about $500.00

We charge a flat rate of $129.00 in one of our shops. Make sure whoever you have fix this has experience as your laptop will have to be taken completly apart and your main board removed.

Good luck myfriend.

SeekPCRepair

Posted on Feb 09, 2008

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