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I have an inspiron 1420 which I had reverted from vista back to good old xp pro. I have literally been searching for an answer to this problem for the past (at least) 2 weeks. I can't play any audio or video on my laptop without getting a static type sound and both are also very glitchy and choppy. I have tried reinstalling the drivers and all of that. I changed back to sp2 and tried a few things regarding that as well. I am definately at my witts end and I am really hoping someone can help me. Thank you in advance for any assistance you can provide!

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What are you playing the audio/video through? Windows Media Player? Does it occur with audio only? Does the same error persists using Winamp or similar? More detail is needed –  Dave Mar 6 '13 at 12:26
Suggest going into Device Manager and deleting ALL audio and video entries. They will ALL auto-repopulate. I've fixed very squirly problems when the system clears out what amounts to corrupted devices. –  Lizz Mar 9 '13 at 5:57

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