Question about HP Pavilion zd8000 Notebook

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My laptop has vertical lines about 3" at the bottom of the screem. where the start button

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No you are incorrect, it MAY be an indication of a bad LCD panel if the problem exist in the LCD internally. Does the issue occur on a different computer? If so, read on. There are external vertical and horizontal IC driver's respectively driving a RGB grid, notice how the line colors do not stay the same in relation to the background? You should check the ribbon cable(s) corresponding to the location of the vertical lines whether on the left, middle, and/or right side that typically travel from the bottom of the LCD and terminating to the vertical IC driver on the PCB. This COULD be the issue because I have a Cintiq 18SX interactive pen display that exhibited a related problem. One way to know for certain is to push gently on the bezel below the lines, if you see the color change or lines go away, that is most certainly your problem. You may push on the ribbon cable connectors firmly after disassembly, if symptoms completely disappear you can try hot gluing or any other non-permanent means to fasten the connector down using firm clamping force and/or replace the ribbon cables. Hope this helps, please keep me updated if it does!

Posted on May 05, 2011

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It sounds like you might have a bad LCD, or it could be a bad video chip on the mother board. You can check to see which one it it by simple connecting an external monitor to the laptop, if the same vertical lines show up on the external monitor then it;s the video chip on the mother board and you would have to have the mother board replaced. If the lines are not on the external monitor then it's the LCD on the laptop and you would have it replaced. Hope this helps
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Posted on Mar 17, 2011

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Unfortunately this is not a good sign, it will be one of two things, the LCD panel is defective and will need to be replaced, or the video cable from the motherboard to the screen has come loose and must be reseated back in place. There should be a spare monitor hooked to the computer to rule out the video graphics card on the motherboard.

Posted on Mar 17, 2011

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