Question about Dell Dimension 2400 PC Desktop

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My screen keeps apearing "Contrast 100"

As I turn on my PC, it apears and desapears in short times

Could you do you favour plz! I'm hangd

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  • jaimefred Mar 06, 2009

    Details of the problem:
    I turn on the PC, it boots perfectly and works perfectly; I mean the programs of my PC are working correctly. But on the screen always apears "Contrast 100" . in short times and deapears in short periods. There isn't any beep beside this. Jus apears exactely in the center of the Monitor Screen.
    The computer is working pergectly but the "Contrast 100" covers some items and I can't manage them because are at the back side of the "Contrast 100".
    Then when I click on the Settings trying to set the Monitor Properties, it deny, impossible.


    Could you do you favour plz! I'm hangd

  • Ben
    Ben May 11, 2010

    Does anything appear, any sort of loading screen or motherboard logo?

  • Jarish Castañeda
    Jarish Castañeda May 11, 2010

    Hi,please send more details. Is there a beeping sound while booting? Is there a screen display?


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  • 233 Answers

Check all cords and cables from PC to monitor. Also make sure the graphics card is properly seated into its slot in the motherboard. That is how I would start. If this doesn't help it might be the graphics card or monitor. Need more info.

Posted on Jan 02, 2009

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