Omnibook XE4400s

Discussion in 'HP' started by kd4e, Jul 13, 2010.

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  1. kd4e

    kd4e Notebook Consultant

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    Our son's HP Omnibook xe4400s has developed a video problem.

    When it powers-up the display brightens momentarily then fades down to the lower left corner and remains dimly lit.

    Once it has completed booting (no text or graphics are ever visible during the boot process) if I press certain keys, e.g. Ctrl & Alt (I'm not sure it matters which I press) I will see lots of multi-colored vertical lines on the display.

    If I press Alt-F1 and use the arrow keys up and down I can see changes to the vertical lines (but never any discernible text or graphics).

    Do I take it that this ia a failure of the video section?

    I did check that the video cable was properly seated and tried tapping various locations on the lid and body - no evidence of a mechanical intermittent.

    Is the video section a separate sub-board, as in the Toshiba Tecra TE-2100, or is it embedded in the motherboard - requiring the replacement of the motherboard?

    Thanks!
     
  2. Datamonger

    Datamonger Notebook Evangelist

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    Sounds to me like it's either a shattered LCD or the video card/chip is fried. Try booting up the computer with an external monitor hooked up and see if the problem persists. If it doesn't then the LCD is most likely cracked somewhere. If there are no visible cracks in the normal screen viewing area, then it is most likely cracked in an area beneath the bezel.
     
  3. kd4e

    kd4e Notebook Consultant

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    Thanks! I will have to borrow an external monitor as we only have laptops here.

    I doubt the LCD is cracked as it has been used as a desktop pc.

    I imagine the motherboard is unobtanium ... or not worth the price.

    Perhaps I can part this and the Toshiba Tecra TE-2100 (It has a separate video board - the connector is loose and those 40-pins are impossible to solder!), also with video troubles, out and raise enough for working laptop.

    Sigh ...
     
  4. kd4e

    kd4e Notebook Consultant

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    Worked fine on an external monitor.

    Guess I will have to acquire an external LCD monitor and this becomes a desktop computer. Sigh.

    Thanks!
     
  5. nikeseven

    nikeseven Notebook Deity

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    You could checkout ebay to replace the lcd/backlight/inverter(whatever isn't working)
     
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