Sound card makes buzzing noises

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http://forums.opensuse.org – Sometimes when I work in applications Such as msword with crossover 8, or kwrite typing tutor the application freezes and I have to hard boot the laptop in order to work again. After it freezes it makes a buzzing noise till I reboot it. I have a dell studio 15 running Opensuse 11.2. Does anyone know a fix for this. Even if I turn off the sound the laptop still buzz's. Thanks for the help.:P (Distributions)