Help with this 1 will be appreciated. I initially installed Vista Premium on a new PC with an on-board Realtek HD ALC883. The sound card worked well with the 5.1 surround sound test but not with Vista, Media Player, Media Centre, etc. After downloading the latest driver from Realtek, I eventually got it working. Perhaps I should have stopped there, but I decided to upgrade to Ultimate online (no problem) and, (no surprise) the problem re-occurred. This time re-installing the drivers I downloaded from Realtek didn't solve the problem. I've tried deleting the drivers, rebooting and re-installing the new drivers without success.
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