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I have installed the cheese software in order to activate the integrated webcam on my HP laptop. I get the message: No device found. I tried every solution that I found proposed on the Internet. Nothing worked. After typing the command lsusb, I got the following:

   Bus 002 Device 004: ID 8086:0189 Intel Corp. 
   Bus 002 Device 003: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 003: ID 138a:0018 Validity Sensors, Inc. Fingerprint scanner
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

The output of dmesg| grep -i cam is

[ 0.000000] AMD AuthenticAMD

For the permissions, ls -l /dev/video, I get:

ls: cannot access '/dev/video': No such file or directory

Typing in sudo adduser $USER $(stat --format="%G" /dev/video) I get a similar answer:

stat: cannot stat '/dev/video': No such file or directory adduser: The user `ibraim' already exists.

I also tried the following:

sudo apt-get update -y
sudo apt-get install -y webcam

Then checked with cheese to unfortunately only get the result:No device found.

Can somebody suggest what might go wrong in my case? Many thanks.

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    Please provide output of dmesg| grep -i cam.
    – binarysta
    Sep 26, 2020 at 22:32
  • Thanks for your suggestion and comment. Here is the output that I got: [ 0.000000] AMD AuthenticAMD
    – user249018
    Sep 27, 2020 at 15:50
  • Please edit your post to add new information, properly formatted. Information added via comments is hard for you to format, hard for us to read, ignored by AskUbuntu's indexing system, and ignored by future readers. Please click edit and add that vital information to your question so all the facts we need are in the question. Please don't use Add Comment, since that's our uplink to you. All facts about your system should go in the Question with edit
    – waltinator
    Sep 28, 2020 at 0:36
  • What is the permission/ownership of the camera? ls -l /dev/video. Is your userid a member of the video group? id. To join the video group, sudo adduser $USER $(stat --format="%G" /dev/video), then logout/in. Check id again.
    – waltinator
    Sep 28, 2020 at 0:43
  • Thanks. I now edited the post. I hope that somebody will provide some suggestion.
    – user249018
    Sep 29, 2020 at 13:26

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