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[ubuntu] So sound on Toshiba Tecra after upgrade

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linux-howto

http://ubuntuforums.org – I upgraded to the latest ubuntu version, karmic cola and every since I have had trouble with my sound. I have a Toshiba Tecra and my sound worked with the last version of ubuntu but every since I upgraded the sound has been glitchy. It started with just having trouble when I let it hibernate. Then I started to notice that when it loaded the operating system, sometimes I would have sound and sometimes I wouldn't. I think that something is interfering with my sound driver. I need to know how to check the drivers in ubuntu as I am new to linux. Can someone please help me? Thanks (Hardware)