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Thread: Webcam not working on Laptop

  1. #1

    Default Webcam not working on Laptop

    I have OpenSUSE LEAP 15.2 installed with all updates installed and can not get my webcam to work on my laptop. I'm using the latest version of Zoom but can't send video, unfortunately. Does anyone know what might be causing the issue? Also what I need to look for to start diagnosing the issue? The laptop is quite old (from 2016 I think), so I would have expected the webcam to work without any problems.

    Any help is appreciated.

  2. #2
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    Default Re: Webcam not working on Laptop

    Open a terminal and issue the following command:
    Code:
    sudo hwinfo --usb
    and look for something like a webcam.
    If nothing relevant shows up, try:
    Code:
    sudo hwinfo |grep -E "WebCam|webcam|video"
    and look for anything relevant.
    Leap 15.1 Gnome on i7 4720HQ + Geforce GTX960M
    testing Leap 15.2

  3. #3
    Join Date
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    Default Re: Webcam not working on Laptop

    My wife and I are in the same boat as the OP. so I hope I am not hi-jacking the OP's thread.

    Neither of our Toshiba laptops with built in camera work. I tried the lsusb CLI and hardware info from command line and YaST.
    It can't be found, and I think it is because there are no drivers for it.
    So I don't think it is a USB camera.

    Maybe someone knows where to look for kernel drivers for Toshiba laptop built in cameras?
    HP Compaq desktop Leap15.2, Win10, Win7
    Toshiba laptops Leap15.2 & Win10, HP AiO Win10.
    I can now print with openSuSe Leap! Can Scan now, could be better!!
    I can backup my iPod and iPad with Windows, can't with Linux.(Will get there someday!)

  4. #4
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    Default Re: Webcam not working on Laptop

    AFAIK most webcams should show under usb, but anyway you can try the following:
    Code:
    bruno@LT_B:~> ls -l /dev/video* 
    crw-rw----+ 1 root video 81, 0 10 ago 10.32 /dev/video0 
    bruno@LT_B:~> sudo lsmod | grep uvc 
    [sudo] password for root:  
    uvcvideo               98304  0 
    videobuf2_vmalloc      16384  1 uvcvideo 
    videobuf2_v4l2         28672  1 uvcvideo 
    videobuf2_core         40960  2 uvcvideo,videobuf2_v4l2 
    videodev              196608  3 uvcvideo,videobuf2_core,videobuf2_v4l2 
    usbcore               290816  9 uvcvideo,usb_storage,ehci_hcd,xhci_pci,ath3k,btusb,uas,xhci_hcd,ehci_pci 
    bruno@LT_B:~>
    If nothing shows up, maybe there are means to disable the webcam for privacy issues, something like Fn+F? (Fn+F12 works on some laptops) or other switches/covers on the lid.
    If nothing like that, there is the possibility that the webcam wire is shorted, especially if the laptop has a few years of service with many lid open / lid close on its shoulders; if that is the case, maybe slightly closing the lid might establish a momentarily connection and allow the webcam to show up in system logs or even sort of work in a few defined lid positions.
    Leap 15.1 Gnome on i7 4720HQ + Geforce GTX960M
    testing Leap 15.2

  5. #5
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    Default Re: Webcam not working on Laptop

    I have an unresolved but similar problem. I have a desktop and laptop both running up-to-date Tumbleweed. I have a very old usb webcam. I plug the cam into the laptop and it works immediately. I plug it into the desktop and it fails to work saying "VLC is unable to open the MRL 'v4l2://'. Check the log for details." VLC works on the laptop. The commands recommended above all show the webcam on the desktop. So, even if recognized, the cam might not work.


    Any sufficiently advanced technology is indistinguishable from magic. - Arthur C. Clarke

  6. #6
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    Default AW: Webcam not working on Laptop

    Post from both and compare:
    Code:
    zypper se -si v4l

  7. #7
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    Default Re: Webcam not working on Laptop

    Quote Originally Posted by OrsoBruno View Post
    AFAIK most webcams should show under usb, but anyway you can try the following:
    Code:
    bruno@LT_B:~> ls -l /dev/video* 
    crw-rw----+ 1 root video 81, 0 10 ago 10.32 /dev/video0 
    bruno@LT_B:~> sudo lsmod | grep uvc 
    [sudo] password for root:  
    uvcvideo               98304  0 
    videobuf2_vmalloc      16384  1 uvcvideo 
    videobuf2_v4l2         28672  1 uvcvideo 
    videobuf2_core         40960  2 uvcvideo,videobuf2_v4l2 
    videodev              196608  3 uvcvideo,videobuf2_core,videobuf2_v4l2 
    usbcore               290816  9 uvcvideo,usb_storage,ehci_hcd,xhci_pci,ath3k,btusb,uas,xhci_hcd,ehci_pci 
    bruno@LT_B:~>
    If nothing shows up, maybe there are means to disable the webcam for privacy issues, something like Fn+F? (Fn+F12 works on some laptops) or other switches/covers on the lid.
    If nothing like that, there is the possibility that the webcam wire is shorted, especially if the laptop has a few years of service with many lid open / lid close on its shoulders; if that is the case, maybe slightly closing the lid might establish a momentarily connection and allow the webcam to show up in system logs or even sort of work in a few defined lid positions.
    This is the return on both laptops show for that command.
    Code:
    ls -l /dev/video*
    ls: cannot access '/dev/video*': No such file or directory
    I will look into the lid thing, but my laptop is not used that much. But still could be a short(hoping not!)
    If there is no directory for video, messing wit the kid will not be of help I think.

    Incidentally, Win10, on my machine does not have 'camera' in the device manager, so your supposition may be right, BUT the mic's work and it is on the same wiring strip from lid to mobo.
    Also this does not indicate camera present
    Code:
    lsusb
    Bus 004 Device 002: ID 8087:8000 Intel Corp.  
    Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 002: ID 8087:8008 Intel Corp.  
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 003: ID 8087:07dc Intel Corp.  
    Bus 001 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    HP Compaq desktop Leap15.2, Win10, Win7
    Toshiba laptops Leap15.2 & Win10, HP AiO Win10.
    I can now print with openSuSe Leap! Can Scan now, could be better!!
    I can backup my iPod and iPad with Windows, can't with Linux.(Will get there someday!)

  8. #8
    Join Date
    Apr 2018
    Location
    U.S Midwest just West of the Mississippi River
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    Default Re: AW: Webcam not working on Laptop

    Quote Originally Posted by Sauerland View Post
    Post from both and compare:
    Code:
    zypper se -si v4l
    From my laptop, I will get the other machine in a while'
    Code:
    S | Name           | Type    | Version          | Arch   | Repository
    --+----------------+---------+------------------+--------+----------------
    i | libv4l         | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    i | libv4l1-0      | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    i | libv4l2-0      | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    i | libv4lconvert0 | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    I do know the lv42-utils are not installed.
    HP Compaq desktop Leap15.2, Win10, Win7
    Toshiba laptops Leap15.2 & Win10, HP AiO Win10.
    I can now print with openSuSe Leap! Can Scan now, could be better!!
    I can backup my iPod and iPad with Windows, can't with Linux.(Will get there someday!)

  9. #9
    Join Date
    Apr 2018
    Location
    U.S Midwest just West of the Mississippi River
    Posts
    688

    Default Re: AW: Webcam not working on Laptop

    Quote Originally Posted by Bill_L View Post
    From my laptop, I will get the other machine in a while'
    Code:
    S | Name           | Type    | Version          | Arch   | Repository
    --+----------------+---------+------------------+--------+----------------
    i | libv4l         | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    i | libv4l1-0      | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    i | libv4l2-0      | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    i | libv4lconvert0 | package | 1.14.1-lp152.3.9 | x86_64 | Main Repository
    I do know the lv42-utils are not installed.
    This set is my wife's laptop.
    Code:
    S | Name           | Type    | Version          | Arch   | Repository
    --+----------------+---------+------------------+--------+----------------
    i | libv4l         | package | 1.14.1-lp151.2.5 | x86_64 | Main Repository
    i | libv4l1-0      | package | 1.14.1-lp151.2.5 | x86_64 | Main Repository
    i | libv4l2-0      | package | 1.14.1-lp151.2.5 | x86_64 | Main Repository
    i | libv4lconvert0 | package | 1.14.1-lp151.2.5 | x86_64 | Main Repository
    Yes hers is still on 15.1.
    HP Compaq desktop Leap15.2, Win10, Win7
    Toshiba laptops Leap15.2 & Win10, HP AiO Win10.
    I can now print with openSuSe Leap! Can Scan now, could be better!!
    I can backup my iPod and iPad with Windows, can't with Linux.(Will get there someday!)

  10. #10
    Join Date
    Oct 2014
    Location
    Italy
    Posts
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    Default Re: Webcam not working on Laptop

    Quote Originally Posted by Bill_L View Post
    This is the return on both laptops show for that command.
    Code:
    ls -l /dev/video*
    ls: cannot access '/dev/video*': No such file or directory
    I will look into the lid thing, but my laptop is not used that much. But still could be a short(hoping not!)
    If there is no directory for video, messing wit the kid will not be of help I think.
    If there is no directory for video, either the webcam is not connected or disabled.
    If the connecting strip got fractured, slightly closing the lid might temporarily re-establish the connection and allow the system to recognize the webcam.
    I had a similar problem with a DVD drive whose strip had been pinched moving the tray, luckily enough during the warranty period so it was replaced for free.
    Leap 15.1 Gnome on i7 4720HQ + Geforce GTX960M
    testing Leap 15.2

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