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I have a 37" Sharp

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What is the cord you are using? In your computer, click on "start", then click on "control panel". Find and right click on "device manager", open and click continue. Click on the box(right side) of "monitors". Do you see your tv in the list? Do you see any warnings, ?, !, yellow triangle? If so click on that and follow proceedure. Right click on your device(your tv). In the list you should see "disable". If you see "enable" click on that and exit. Restart your system and you may see your system upgrading to a driver that will help in providing the picture to your TV. Recheck you TV in device manager again.

Posted on Apr 03, 2011

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  • 9joelle Apr 03, 2011

    Hi, thank you for responding. I'm using a VGA cable and have Windows XP. Under monitors in the device manager it just lists one- plug and play monitor- no yellow triangles or warnings on it. A thing called network controller has a yellow exclamation point on it. Each time I need to see the computer screen I have to unplug the cable from the TV and plug it back into my monitor, so I don't know if that's making a difference, but otherwise I have no way of seeing what I'm clicking on etc.

  • David Petry Apr 03, 2011

    You need to click on that exclamation point and see what it recommends using the other monitor.Have you restarted thecomputer with the tv hooked up? Try shutting down computer and uplugging tower for i mnute. Hook up tv and restart. Windows should try to read new monitor and may install a driver necessary for the tv. If you still have no picture, given enough time for resatrt. Shut system down again and start in "safe mode". Now go into device manager and click on monitor and see if your tv shows up in th list.

  • David Petry Apr 03, 2011

    Make sure it's "enabled".

  • 9joelle Apr 03, 2011

    I'm using a VGA cable and have Windows XP. In the display settings tab I did try both the 60 & 75HZ, made sure that the boxes to use as my primary monitor and extend my Windows display to the monitor are checked. In the device manager tab under monitors it lists only one- plug and play monitor. I'm unplugging from the TV and reconnecting to my regular monitor so I can see what I'm checking and what to do.

  • b armstrong Apr 04, 2011

    Try adjusting the resolution to a more standard resolution for your TV.

    Right click anywhere on the desktop and choose "Properties"
    Then click the "Settings" tab and choose either 1366 x 768 or 1920 x 1080 if available.

    The PC might be sending the image right now, but the TV isn't recognizing it as a resolution it can handle. TV's typically don't have the same native resolutions as PC monitors.



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