Question about HP Pavilion dv9000z Notebook

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Dv9000 split in half

I have a dv9000 the computer boots and displays a mirror image split by a white line horizontally across screen we have replaced MB and this still displays the problem HP told us it would be a MB fault
Anyone seen this problem before

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  • warren676 Mar 09, 2009

    It just happend I believe it to be a Hardware issue as also happens during the boot up it may be the Inverter but not sure as when I reset the inverter it works normally

  • lostiber Mar 22, 2009

    Initially screen blanking out for a second or a few seconds and a message similar to; "video card stopped responding but is recovered" Then one day a split screen with a horizontal white line. Computer fails to boot vista and self repairs and restore doesn't change it.



  • John Sparozich May 11, 2010

    Can you clarify what an invereter is?

  • George Bill
    George Bill May 11, 2010

    What were the circumstanses that led up to this problem, did it just boot up one day like that, or were you doing something specific when it happened

  • Anonymous Mar 22, 2014

    screen displays backwards (mirror) and is cut in half

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Sounds like the NVIDIA chip. I had a guy on ebay fix mine a month or so ago for a real good price but I wasn't able to find the listing to give you the information.

Posted on Apr 01, 2010

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I have exact same problem. Split screen top and bottom. I had it checked out by a tech and they said it needs a new MB and Hard drive. They said it would cost $1900. Every now and then it comes good for anf hour or so. However, have you had the problem fixed yet? Could it be the NVIDIA Video card? I haver heard these can be trouble. A fault that HP knew about. Have you found a solution?

Posted on Oct 22, 2009

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LCD cable

Posted on Mar 19, 2009

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1 Answer

My screen has split in half horizontally mirroring the top with the bottom.


Back-light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/

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In case of infinite reboot
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Hp dv9800 service manual


1) http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-compaqhp

Scroll down to the subheading - HP Pavilion dm1. (dm1 in blue)
Go down to the second line in this 'paragraph', and scroll across.
Click on the blue dv9000.

This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name (9000) it may take up to 30 seconds, before the first page comes up.

2) http://www.insidemylaptop.com/remove-lcd-screen-inverter-board-hp-pavilion-dv9000-laptop/

3) http://www.cesgeekbook.com/2010/01/dv9000-disassembly-tear-down-part-1.html

4) http://www.youtube.com/watch?v=bnkQNmKauEc

Not advertising, using for reference material.

Regards,
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Sounds like the screen is going bad. Isolate the problem by plugging an external monitor to the laptop. Borrow a monitor from a neighbor, friend, relative or co-worker to plug to the laptop. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If the Borrowed monitor does not show the black lines and snowy background, that proves your video card is ok and the problem is your lcd screen. If the borrowed monitor shows the same black lines ans snowy background it means your video card inside the computer has the issue.

The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

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Do you see the BIOS boot up phase, which is the bit in the beginning of booting the computer where you see DOS like white text on a black background?

If you do, there is a good chance that your problem is as simple as a Windows configuration issue. If not, you may have a short in the wires that connect the screen to the motherboard.

The first thing to try is to connect the computer to an external monitor and see if it will display.

Next, try booting in safe mode.

Then try booting from a CD.

It is possible to replace laptop screens, but it is usually not worth it.

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1 Answer

I have an HP Pavilion dv9000 laptop, and when i turn it on, the screen goes a cloudy gray. There are also lines that go across the screen that are not very noticeable but they are there. I attempted...


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http://go.notebookreview.com/?id=525X832&url=http%3A%2F%2Fh10025.www1.hp.com%2Fewfrf%2Fwc%2Fdocument%3Fdocname%3Dc01087277%26lc%3Den%26cc%3Dus%26dlc%3Den%26product%3D1842189%26lang%3Den

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Hello

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You just need to diable presentation mode.It's not the switch.

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