[ubuntu] Realtek ALC887 Intel/HDA audio card "undetected" after installing softphone

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http://ubuntuforums.org – Hi, I've tried almost everything to correct this. My pc is a Dell XPS 7100 with Ubuntu 11.10 Normally, my soundcard is detected and the sound works good. Lately I've installed Skype. As soon as it was installed the sound option wheren't there anymore. No audio card was detected ! When I delete Skype (or any other softphone application), the sound card is detected again. The same thing happens when I connect to my bluetooth audio speaker. Strangely the connexion to bluetooth speaker was working very well not to long ago... I've followed every step of the "DebugginSoundProble (Hardware)