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Thread: webcam problems

  1. #1
    Join Date
    Feb 2009
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    33

    Talking webcam problems

    Hi
    i have got a logitech c910 webcam, it works with guvcam . But skype and cheese dont work both have black screens, please can someone help.
    In a terminal i typed - sudo lsusb
    and this was the output

    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 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 001 Device 003: ID 15d9:0a4d Trust International B.V.
    Bus 001 Device 014: ID 046d:0821 Logitech, Inc. HD Webcam C910
    Bus 001 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver


    If anyone could help it would be great as i really want skpe to work
    thanks
    Last edited by aiden707; August 20th, 2013 at 09:08 PM.

  2. #2
    Join Date
    Feb 2009
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    Talking Re: webcam problems

    )

  3. #3
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    6,604
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: webcam problems

    Hi aiden707.

    It may a problem with with the Logitech Unifying Receiver. There are several alternatives to add support for it. Take a look a this: Is Logitech's Unifying receiver supported?

    I'd recommend using solaar which is available using a ppa.

    Hope it helps. Let us know how it goes.
    Regards.

  4. #4
    Join Date
    Feb 2009
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    33

    Re: webcam problems

    thanks, i will read link

  5. #5
    Join Date
    Feb 2009
    Beans
    33

    Re: webcam problems

    i installed solaar, i have a logitech wireless keybord which i disabled to see if it make a difference. Now i cant get that to work or show in solaar ( and webcam still not working)
    help

  6. #6
    Join Date
    Feb 2009
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: webcam problems

    Did you try the old preload trick?

    First you need to know the path of v4l1compat.so in your system:
    Code:
    dpkg -S v4l1compat.so
    I'm running Ubuntu 64bits so it returns:
    Code:
    libv4l-0:i386: /usr/lib/i386-linux-gnu/libv4l/v4l1compat.so
    libv4l-0: /usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so
    Then you need to know if Skype is 32b or 64b:
    Code:
    file $(which skype)
    If it is 32bits, it will return something like:
    Code:
    /usr/bin/skype: ELF 32-bit...
    Then, you preload the 32bit video library while calling Sype from the terminal:
    Code:
    LD_PRELOAD=/usr/lib/i386-linux-gnu/libv4l/v4l1compat.so  skype
    Hope it helps. Let us know how it goes.
    Regards.

  7. #7
    Join Date
    Feb 2009
    Beans
    33

    Re: webcam problems

    thanks, but i need to get the keybord working again first (using old keybord at mo). When i disabled the keybord in solaar, i cant get it back working.I have reinstalled ubuntu so is a clean system but the wireless keybord is still not working. ( when i first got the keybord it worked as soon as i plugged it in) any idea?

  8. #8
    Join Date
    Feb 2009
    Beans
    33

    Re: webcam problems

    thanks

    papibe for trying to help. i have formated system and done clean install ( took me a few days to work out how to do that), and now c910 webcam works perfect as does k400 keybord. I still dont understand ternimal commands, any ideas on good site to learn from so i dont just copy and paste i understand what i am typing.

  9. #9
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    6,604
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: webcam problems

    Here's a good selection of links: Command Line Resources.

    Regards.

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