Question about Dell OptiPlex GX260 PC Desktop

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Input signal out of range

When i try to boot up my computer all goes well until the first loading screen. after that any color on the screen has green bars branching from it that cover the screen. when i get to windows i usually only have about 30 seconds before the screen goes black and says "input signal out of range"

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  • wavid_rzm Feb 28, 2009

    i am using windows vista, and i have a GeForce 8600 GT video card

  • wavid_rzm Feb 28, 2009

    sorry XFX GeForce 8600 GT video card.

  • wavid_rzm Feb 28, 2009

    yes it did thanks

  • Tim Crosslin May 11, 2010

    Also what operating system?

  • Tim Crosslin May 11, 2010

    What type of video card are you using?

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You could try going into safe mode and make sure the correct drivers are installed and if they are then you can then set the correct resolution.

Posted on Feb 28, 2009

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Hello

Boot the computer into SAFE MODE. Go to CONTROL PANEL - DISPLAY PROPERTIES. Change the screen resolution to a common size - like 800x600 or 1024*768 and save the settings. Reboot the computer.

Everything on the screen will be very large but you should be able to see the desktop and make additional changes. Go to CONTROL PANEL and DISPLAY PROPERTIES again, and change the screen resolution and click APPLY. This will change the resolution to the new settings and will give you the opportunity to revert back to the old setting if it does not work.

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Out of range typically means that the resolution in windows is set higher then the monitor can support. You will need to get into windows to remedy this.
You can do this one of two ways. You can try to hook up to a more advanced monitor and do it.
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If you have video at first, you can press F8 as the computer is starting to boot up. this will open the advanced booting options menu. Select Run in VGA mode OR you can try Safe mode. Once you are in there you can change the resolution by Right clicking on the desktop and selecting Properties or Personalize. Then under display settings you can adjust the screen resolution using the slider bar. Set it to something like 1024x768 and then save exit and reboot normally. Once in there you can look up the max screen resolution your monitor supports and set it accordingly.
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