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I have two problems with my computer. One is with Youtube, one is with sound. I'm running an i7 computer.

For the Youtube problem, I can't get Youtube videos to play at all in FireFox. They come up with the loading icon, then FireFox freezes, and I have to force close it. I have flash. I've rebooted. Doesn't help.

The second problem is related to my sound. For some reason, when I first boot up the computer, there is no sound at all. Then after a while I can't even adjust the sound level bar anymore. Finally, twenty minutes later, the audio starts working and I can adjust the bar.

What do I do?

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Welcome to Ask Ubuntu! Please separate your question into two parts with each problem. – Anwar Shah Jan 21 '13 at 4:57
sudo apt-get install ubuntu-restricted-extras – nickanor Jan 21 '13 at 7:49

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