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Why would sound suddenly stop working on Windows 7?

Why would sound suddenly stop working on Windows 7?

I'm running Windows 7 RTM on a laptop and sometime between 7pm and 9:30pm tonight my sound stopped working.

Asked by: Guest | Views: 109
Total answers/comments: 1
Guest [Entry]

"Don't know much about any issues particular with Windows 7, but you can test if it's a hardware problem rather easily by booting up into an alternate OS installation. Assuming you don't have a dual-boot system, this can also be accomplished with a linux live CD that supports your laptop.

I personally use Knoppix for such things (mostly just because I happen to have the CD handy) but there's myriad other options available. If sound works on one operating system, but not under the other, then it's pretty much a software problem. If sound doesn't work with either, it's probably a hardware failure."