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What has happened? Suddenly I have no sound and YouTube's videos are played too fast. Is there a Flash problem?

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possible duplicate of No sound and flash videos play super fast after daily update –  Mateo Sep 16 at 1:38

2 Answers 2

up vote 4 down vote accepted

Running pulseaudio -k then pulseaudio -d should restart pulseaudio and temporarily fix your issue. For a more complete fix that doesn't stop working, I had to download the latest flash and install manually. This should work for you on firefox - other browsers may need the libflashplayer.so placed elsewhere. Google should help if that is the case.

(directions taken from here)

Open http://get.adobe.com/flashplayer/otherversions/

Choose Linux 32-bit on Step 1

Choose Flash Player 11.2 (tar.gz) on Step 2, download the file

Once download is complete, right click on the file (tar.gz) and click on Extract here

Launch Terminal (Keyboard Shortcut : Ctrl+Alt+T)

Go to that location where you extracted the file

Run this command : sudo mv libflashplayer.so /usr/lib/firefox-addons/plugins

Launch Mozilla Firefox and check do you have Adobe Flash Player

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Is there a way to just download the flash plug-in as a ordinary file - like a .zip or rpm? I ask because clicking on the download button on the Adobe page causes the Ubuntu Software Centre to launch, which says 'Not Found'. What a pain! –  therobyouknow Sep 6 at 13:20
    
The left side of the page provides spin boxes for selecting your operating system. You can select a tar.gz file or an RPM from there (the apt file is the one that probably opens the software center) –  Drake Clarris Sep 9 at 18:27
    
yes I did all that and then clicked 'Download' and... see my above comment. Have you actually tried this yourself and found it to work? –  therobyouknow Sep 9 at 22:20
    
Not since my original post - Just tried on my windows PC and it downloads the tar.gz file. It may be how your browser or xdg open is set to handle things - it shouldn't try to open a tar file using software center however. For any more checking, I would have to wait until I get home. –  Drake Clarris Sep 10 at 11:50

I fixed a similar issue just by going into the sound settings & picking the correct audio output device (something like 'inbuilt analog audio' iirc).

I think the problem started when a user fiddled with the volume controls & ended up at the sound menu, then inadvertently clicked on a device option.

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