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You've done it, and so simple! It was the first one - the device manager. Wow, thanks RandyL. H

Hi, I'm currently using a Hewlett Packard 'HP Pavillion' on Windows XP. It's not producing any sound, and hasn't been for about a year. I've done all the obvious... checked the speakers, mute settings, tried it with earphones etc... and can find no remedy. I think it's probably something to do with software, maybe the soundcard or something... I don't really know. The sound doesn't work if watch something on Google Video, Youtube etc. I've no idea what the problem is or how to remedy it. Any troubleshooting ideas - either in detecting the problem or remedying it - very much welcome. The computer details are: Intel Celeron D Processore 330 256 MB ddr 80GB hard drive Thanks....