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The HP Pavilion dv9000 series was introduced in 2006.

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Screen going blank , or lots of lines on it, any ideas?

Could this be a bios setting or has the lcd monitor gone , have heard this is a common problem.

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Cheers guys , think i have found someone in the uk who can do a reflow on the mother board 4 70 quid with the right gear . Plus he can do the bios update and a fan mod at the same time which hopefully stop it going t'ts up again. many thanks

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Does the external display show anything?

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Hi guys,

Here the the thing. I repaired about 50 of them dv9000, dv6000 and dv2000. These series have all the video problem one day or another. The nvidia chipset is the cause and i fixed most of them succesfully. Here how. Unmount the unit and blast the nvidia chipset with a pen torch for about 20 sec at 1`` of surface. it will resold the chipset right in place and give you back display. the only thing is to add GREAT thermal paste to avoid the problem to come back. Otherwise expect fixing and fixing over and over until it wont turn back on.(also you can add a penny. yes! a penny with thermal past rith on top of the chipset) beleive me it works. the penny is made with copper and its a excellent heat conductor.

If you have question email me for more details. I speak french sorry for my bad english!! jfnicol@gmail.com

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salut JEFF nicol svp vous pouvez m'expilqué en francais??

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I have also fixed many laptops with the Nvida chip problem, pen touch the chip, apply good thermal paste and then put a penny on the chip, i always use a penny dated before 1975 as they have more copper content. And the results so far have always been good.

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Hi, According to the link I will post this is a known motherboard problem. Unfortunately it appears the recall has exprired but there are some troubleshooting ideas. Good luck. Ralph

http://forums11.itrc.hp.com/service/foru...

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My solution is, I'm going out next week to buy a Mac PowerBook Pro.

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Works for me--welcome. Ralph

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My HP laptop started having this issue and it was after a conversation with a friend that it has turned out to be a common problem with the NVIDIA chip with this line of laptops. He commented that it does not affect the output to other screens, only to the laptops own display. Apparently (though I have not seen this) the chip burns or overheats the local area on the motherboard and can no longer run its own display.

I had fortunately just bought a docking station for this model of laptop and I have been able to hook it up to an external screen, keyboard etc up and my "laptop" is now a fully functional desktop.

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I'm just going to leave this here.

http://www.nvidiasettlement.com/index.ht...

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I have the exact same model (dv9000) and had the exact same problem as in, the unit would power on however no display was visible in the LCD. After A LOT of troubleshooting that involved taking the unit apart, I found that the inverter board in the LCD needed to be replaced. I bought an inverter board compatible with my model on eBay for about $10.00.

Took the LCD apart and replaced the inverter board. Put it back together, turned the unit on and PRESTO!! LCD lit up like a champ!

I used instructions on this website:

http://www.insidemylaptop.com/remove-lcd...

I hope this helps and good luck!

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