[ubuntu] Internal speakers dont work, headphones do...

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http://ubuntuforums.org – I installed Ubuntu 10.04 dual booted with Windows 7 on my Lenovo laptop. In windows 7 sound plays fine from speakers and headphones. But in Ubuntu sound only plays through the headphones, not the speakers. I researched and have been troubleshooting with no luck of getting the internal speakers to play. Sound card is recognized, adjusted levels in alsamixer, drivers seem to be loaded, modules, everything. One thing though my headphone jack port is damaged internally. I have to move the wire around and jimmy rig it to get the sound to play. I'm almost positive this is contributing to the problem (Hardware)