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Activity Forums VEGAS Pro Video Preview On External Monitor Crashes

  • Video Preview On External Monitor Crashes

    Posted by Bob Wills on August 23, 2021 at 4:34 am

    So I have been using Vegas for many years through many iterations and one problem I have always had was getting the external monitor preview to work without crashing. My current setup is an R9 5950X with a GTX 1080 using the newest version of Windows 10 and Nvidia drivers.

    Previously all I had to do was turn off GPU Accel in the older versions of Vegas. However, more recently in version 17 or 18 I had to start turning on the Legacy settings for AVC and HEVC Decoding. Although this does work, it stops me from being able to render using Nvenc and can stop some 10 bit files from being supported. Why turning off Nvenc just for the preview even affects the rendering options is beyond me.

    In version 19 neither of these settings are working so I am finally trying to get to the bottom of why this happens in the first place. After doing some investigating I have come to two possible reasons. One being Vegas is just poorly coded or there is some setting I have not come across that can magically fix this. Or the other one being the more realistic explanation and that is Nvidia does not support Nvenc on secondary monitors.

    Currently I have a dual set up. My left monitor is an LG IPS panel which I like to use for my fullscreen previews as it has decent colors, and on my right I have my 144 hz BenQ gaming monitor which I do my main editing on as it has poor colors. My primary monitor is set to this gaming monitor as it is straight on from where I sit and that’s how it’s been for the past several years. I am used to my desktop being there and having all my windows open on this monitor.

    But I have noticed if I drag Vegas over to my left monitor and change it to preview onto my right monitor it works fine. I have also noticed if I switch my primary monitor from my right monitor to my left monitor, it is able to preview onto my left monitor with no issues. Am I right coming to the conclusion that this may be physically impossible to make work thanks to Nvidia or is there something I can do to fix this? I really do not want to be forced to change my whole work flow just because Vegas doesn’t want to cooperate.

    Bob Wills replied 4 years, 11 months ago 2 Members · 6 Replies
  • 6 Replies
  • Graham Bernard

    August 23, 2021 at 4:41 am

    I can switch. Don’t believe VP would force this on you? What have you tried so far?

  • Bob Wills

    August 23, 2021 at 4:46 am

    Are you able to view the preview onto your non primary monitor without using the legacy settings? My issue is kind of a two parter. Ideally I’d like to find a solution where I don’t have to use any of these weird settings at all as they have side effects and I would like to use the new features.

    So far I’ve tried turning GPU Accel on and off, I tried turning the legacy settings on and off. Both with and without GPU Accel on. I tried turning the GPU settings off in the preview device settings. I also tried resetting Vegas’s cache a few times as well as uninstalling and reinstalling a couple times. I even updated my Nvidia Drivers and no luck.

  • Graham Bernard

    August 23, 2021 at 5:05 am

    Are you able to view the preview onto your non primary monitor without using the legacy settings?

    What Legacy Settings? Don’t understand?

    My issue is kind of a two parter. Ideally I’d like to find a solution where I don’t have to use any of these weird settings at all as they have side effects and I would like to use the new features.

    What “weird” settings? And what side effects?

    I’m trying here 😀 .

  • Bob Wills

    August 23, 2021 at 5:14 am

    These legacy settings. Are you able to preview to a non primary set monitor without having to have one or both of these checked off in Vegas 18 or 19?

    If you are then that would at least answer my question of if it’s even possible in the first place.

    Using these settings allows me to preview onto my non primary monitor in Vegas 18 but I am not able to render using my video card, and some 10 bit files aren’t supported because it’s using Vegas’s old system. I would like to avoid all of this if possible so I can render with my GPU and use Nvenc for previewing.

  • Graham Bernard

    August 23, 2021 at 5:30 am

    I would like to avoid all of this if possible so I can render with my GPU and use Nvenc for previewing.

    Ah, righto! I completely understand. Good detailed report. However, this is getting more complex now, I think you should take your questions to the Main Official VegasSoftware Public Forum. Many more people to assist you there. Have you tried yet?
    Regards – BG

  • Bob Wills

    August 23, 2021 at 5:32 am

    I have not. Might give that a try since I’m not having much luck anywhere else. Appreciate the advice.

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