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Ubuntu Hardy Heron sound broken

Recently I was having a consistent problem with the sound on my Dell Inspiron 1720, which is running on Ubuntu Hardy Heron. It would consistently stop working all together, and I had a terrible time finding the cause of the problem. If I viewed a flash video on the web, the sound would die afterwards. If I listened to streaming Internet radio, the sound would die. If I received an emial or IM the sound would die.

Finally it dawned on me, and I am not sure why or how. But a few weeks prior I had been toying with a Bluetooth stereo headset and had turned on the Audio service in the Bluetooth manager on the services tab.

Problem fixed: I simply turned off the Audio service in the Bluetooth manager, and all is working normally again. However, if I ever need the Audio service I suppose it will break my sound.

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Microsoft Bluetooth keyboard and mouse on Ubuntu 7 (Feisty Fawn)

I have a Microsoft Optical Desktop Elite Keyboard and Mouse for Bluetooth, and wanted to get them working on my newly installed Ubuntu 7.04 Feisty Fawn desktop. (This was my choice after the adventure of Windows Vista deciding it was not Genuine 1 1/2 months after install, even though it was.) See this article for the details.

I found the basics of this article on the Ubuntu forums, but found that I needed to adapt it a bit. So here is that article, with my changes/additions.