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I have a Acer Aspire One Happy2 Netbook and I am facing two problems when using Windows XP.

When I boot to Windows XP SP3 Pro, I don't hear anything from my netbook after resuming from stand by or hibernate.

When I plug in a headset, the sound comes from both the headset and the built-in netbook's speaker, but everything is working fine when I boot to Ubuntu 11.04 (both two problems don't occur).

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Can you try and reinstall the driver for your audio

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I've tried reinstall my Windows more than twice. But, I'm still stuck with these problems up till now. – iroel Oct 2 '11 at 3:11

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