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Audio Driver for Dell Optiplex GX280
I recently bought a gently used Dell Optiplex GX280. It came with Ubuntu which was removed when I installed Windows 7 Professional x86. The install had its rough moments but I was finally able to complete it successfully. The problem is that I can't seem to get the sound to work; my computer keeps saying "No audio output device is installed". I am using a pair of speakers plugged into the audio jack in the back of the computer.
I tried going to the Dell website but they just said that my computer is not compatible with Windows 7. I tried the XP driver once straight from the download and a second time running it in XP compatibility mode, but neither worked.
Then I looked on Google and checked some forums. A few people had successfully used the Windows Vista driver in Vista compatibility mode, but that didn't work for me either.
Every time I try installing a driver I get the error message "Installation failed! The audio driver files do not support your computer hardware." I'm not sure what to do next, besides eschew the computer and buy a harmonica to make my own music (not polite when you're tone deaf like me ). Please help!
One extra piece of information: I haven't connected the Dell to the internet yet. All these downloads have been done on my Acer laptop running Vista, then the zipped folders are transferred via flash drive to the Windows 7 Dell. I don't think this should be a problem, though, since I have done all this successfully before for a different Dell running XP.
Thanks in advance for your help!