no signal from pc to hdtv

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  1. dngrs
    Posts : 16
    win 7 32b
       New #1

    no signal from pc to hdtv


    I have gigabyte 460 gfx card and MSI 770-g45 motherboard. The TV ( LG lcd 32") sees no signal from the pc. I tried using 2 different cables ( minihdmi-hdmi / hdmi-hdmi with minihdmi adaptor with the mini head being for the gfx card). It worked before but I stopped using the TV 3-4 months ago (didnt have time for movies) and recently I tried to watch some and I got no signal. I changed nothing, motherboard drivers are the same but gpu drivers are updated ( I got no idea what version I had before). What could be the problem? Should I send it to the service department?
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  3. Maguscreed
    Posts : 6,668
    Windows 7 x64
       New #2

    I don't think this is a driver issue, I think it's a desktop expansion issue.

    am I correct in assuming you have a monitor plugged into the system as well?

    If so the solution is located in the nvidia control panel under display.

    I would also set resolution to 720p (1280x720) until you get it working properly.
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  4. dngrs
    Posts : 16
    win 7 32b
    Thread Starter
       New #3

    Yes, a horizon lcd. I never keep both plugged in though. I now tried plugging both in and still there's no signal to the TV. What should I do in that control panel? I tried using that res and still no signal.
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  6. Maguscreed
    Posts : 6,668
    Windows 7 x64
       New #4

    no signal specifically, or just a blank screen?
    Are we certain we have the tv set for the right input?
    mine has 6 hdmi's on it, and you have to tell it which one.
    Which is confused by the fact they aren't numbered and apparently aren't even sequential.
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  7. dngrs
    Posts : 16
    win 7 32b
    Thread Starter
       New #5

    The TV has a moving text saying "No signal" .
    Mine has 2 hdmi inputs and I put it in nr 1 and selected it from the tvs menu. I tried using nr 2 input too.. still not working .
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  8. Maguscreed
    Posts : 6,668
    Windows 7 x64
       New #6

    The input question still stands as well.

    With both hooked up, under display does it even show multiple displays? or just the monitor?
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  10. dngrs
    Posts : 16
    win 7 32b
    Thread Starter
       New #7

    Yes the nvidia control panel shows both.
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  11. Maguscreed
    Posts : 6,668
    Windows 7 x64
       New #8

    I hope one of the other guru's monitoring this chimes in because I am actually starting to run out of ideas.
    You wouldn't happen to have a pdf link to the manual for that tv would you?
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  12. Maguscreed
    Posts : 6,668
    Windows 7 x64
       New #9

    oh and run into the nvidia control panel under 3d and make sure that it's set to multiple display mode instead of single display performance mode.
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  13. dngrs
    Posts : 16
    win 7 32b
    Thread Starter
       New #10

    It's on multiple display performance mode. Is there a way to see what model the tv is from the control panel here or somewhere? I cant search for the paperwork right now and I dunno what model it is. It only says lg electronics tv

    LE: its
    LG 32LC51-ZA.AEUYLVG
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