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i upgraded Ubuntu 12.10 to 13.04 and the sound card isn't working anymore and the computer become too slower and there's a big line on the left on the screen and it doesn't go at ever

any help

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Ask one question at a time please. –  user68186 Apr 30 '13 at 18:24
no one answering any question of mine !! –  Abo Jihad Bazoka Apr 30 '13 at 18:26
That is no excuse to spam with duplicates... –  GM-Script-Writer-62850 Apr 30 '13 at 18:55
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