sound problem

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http://forums.fedoraforum.org – Hi all, Fedora 17 64 bit System Settings -> Sound -> Output Choose a device for sound output: Code: RS780 Azalia controller Digitaol Stereo (HDMI) But Code: analog output built-in audio not found The built-in speaks on LCD display works. But I can't select sound on external speakers Please advise how to fix it? TIA satimis (HowTos)