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I have installed Viber (Rakuten Viber) 7.0 on Ubuntu 18.04.2 LTS on HP laptop 4PN36EA#BED. The audio is working perfectly, the video from the other side is working while on my side the camera is not recognized even more in settings for Video: "Hardware not found". Interesting is that if I start the Ubuntu application "Cheese" the camera is working without problems.

So: How to tell the Viber that there is a camera in this PC, that the drivers are installed and how could Viber use it?

Many thanks, cheers.

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3 Answers 3

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You must enable camera permission. enter image description here

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    where is this permission thing? Mar 17, 2019 at 2:02
  • @BhikkhuSubhuti go to Ubuntu Software -> type Viber -> click on installed programm -> and then you find Permissions
    – kovac777
    Mar 17, 2019 at 8:50
  • I have ubuntu-mate and thee software center is blocked and cannot add it Mar 18, 2019 at 6:05
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    sudo snap connect viber-unofficial:camera Mar 25, 2019 at 0:44
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In Ubuntu 19.04 I have the same issue. Moreover, software center couldn't find Viber breaking into endless loop. However in "installed" tab there was a Viber-mtd. After

sudo snap connect viber-mtd:camera Viber starts see the camera.

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  • error: snap "viber-mtd" has no plug named "camera" Jan 8, 2020 at 18:28
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I tried installing Viber in 20.04 using Ubuntu Software and the results were miserable: it would not recognise the USB camera, despite allowing it via the Permissions. I uninstalled it and installed the proper deb package and it works perfectly. Conclusion: avoid snap installation.

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    What is "the proper deb package"? I don't see this software anywhere in Ubuntu repositories: packages.ubuntu.com/…
    – Nmath
    Oct 7, 2020 at 19:34
  • Ubuntu 20.10. Viber 13.3.1 installed directly from viber.com/en/download. Video broadcast works with internal webcam but not USB webcam. With menu Tools > Modify Audio & Video, I can select and see USB webcam image so it can't be a permission problem. Not sure it is the same bug however. Nov 29, 2020 at 22:30
  • Cheese OK. Viber 10.8.0 (on Mac OS) with similar hardware OK. Nov 30, 2020 at 18:08

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