Question / Help Logitech C920 No Output!

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BDRMrTBag

New Member
So, my Logitech C920 has randomly stopped working just with OBS, in any other program I have used, it shows, I cannot for the life of me figure out why it has decided to stop working and I was hoping someone could tell me what it is before this camera meets the wall!

HDevice::ConnectPins: failed to connect pins (0x80040207): The owner SID on a per-user subscription doesn't exist
ResolutionValid failed
Video configuration failed

^ That shows in the Log files too
 

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c0nsecro

c0nsecro

Member
Had the problem a long time ago, that the cam won't show a picture, after I installing the original drivers from logitech. All other programms can use it, but OBS neighter.
 
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OBSnewby

Member
same here, all my 4 logitech webcams stoped working. OBS shows all my other scenes, titles, etc, and didnt crash, just show black screen... What OBS version and windows version are you using? Im on 0.16.6
 
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BDRMrTBag

New Member
Yeah, I have to go into Skype, the camera shows there, then it'll appear in OBS for me but as soon as I either turn off OBS or reboot my PC, it disappears again, I have no idea what has happened, I an on Windows 10 Build 1507 (Pre-Anniversary update) and I'm using OBS 18.0.1 64Bit
 
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BDRMrTBag

New Member
My bad its the Win 10 build 1511, I have uninstalled all the drivers for my camera, I've reinstalled them, I then tried it with just the core drivers, nothing, the only time it shows up is if I boot Skype, load the camera on video settings, close it off, then open OBS, it'll work then but the aspect ratio is off, can't edit the resolution at all or the format, it stays at default device, if I change the format to custom, the camera goes off and stays off until I repeat the Skype step
 
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OBSnewby

Member
Im on Win7. You saying is some upgrade of the OS? I did no upgrade, but maybe was an automated one... how to revert an OS upgrade, in case this were the cause of the issue?
 
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