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I have a Microsoft LifeCam VX-700 webcam, and it was working okay until yesterday when it started blinking for no reason.

I haven't changed any settings, or even used it recently.

And now it comes and goes, without me doing anything.

Could this be caused by a software update that was released recently?

I'm running Ubuntu 12.04 LTS.

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Can you test it on another PC? –  konrad Jun 28 '12 at 9:00
    
I don't have access to another PC, but it doesn't do that on Windows 7, so it's not a hardware thing. –  Mahmoud Hossam Jun 28 '12 at 9:18
    
Enter this command in a Terminal: tail -f /var/log/syslog then plug in your webcam. To you get any output? See also this askubuntu.com/questions/73357/… –  konrad Jun 28 '12 at 11:16

2 Answers 2

If it starts blinking when you access flash in Google Chrome, it might be caused by a bug in their Pepper-based Flashplayer. To fix it, go to about:plugins in Chrome, click +Details to expand all items, then disable the plugin /opt/google/chrome/PepperFlash/libpepflashplayer.so. Leave the regular libflashplayer.so plugin enabled, or install it if you need to. Should stop the blinking.

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@spitecho: Your solution fixes the webcam problem, but then it deteriorates flash in chrome. Before your solution I was able to watch full screen videos on youtube in a relatively fluent way, after the fix it was back to the old chopped ways I knew before I used Chrome (the fact that only Chrome continues flash development on Linux was the reason I moved from chromium to Chrome in the first place, so if the webcam fix breaks flash, unfortunately that doesn't solve it for me).

I filed a bug report today:

https://bugs.launchpad.net/ubuntu/+source/adobe-flashplugin/+bug/1046921

Anyone with the same problem feel free to add that it affects you too in the hope that this thing gets fixed quickly.

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+1 and thanks for filing the bug report, I just confirmed it affects me too. This has slowed my Chrome to a crawl for the last few weeks and I couldn't troubleshoot it. –  Tom Brossman Sep 6 '12 at 18:42
    
+1 I am having the same issues. let me know if there has been a fix already.. –  blunderboy Jan 26 '13 at 14:33

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