double speed Youtube videos

[yulia]

Hi,
i am a new mint user and since i installed it all of the youtube videos are pleyed with double speed and with no sound.
what am i doing wrong?

10x!

[nomko]

What are your system specs?
Memory? Videocard? Motherboard? Processor? Please provide us with more information about your system.

And in the mean time you can check here:
http://forums.linuxmint.com/viewtopic.php?f=48&t=106040&p=606842&hilit=youtube#p606842