Windows 7 auf MacBook Pro 13 Unibody OHNE SOUND!

Tag,
ich habe gerade per BootCamp Windows7 auf meinem MBP13 Unibody installiert.
Klappt auch alles ganz fein, bis auf den Sound... Der is nämlich garnet da...
Aus dem Soundanschluss leuchtet es rot (unter OS X läuft der Sound...).
Ich habe die Treiber die auf der Leopard CD waren installiert... Habe auch schon versucht Treiber von der RealTek.com Seite zu laden und zu installieren... Alles ohne Erfolg...
Das Witzlose an der Geschichte ist, dass der Pegel in Win7 beim Abspielen von Musik schön am zappeln ist, als wär alles toll. Auch erkennt er, ob nen Kopfhörer eingesteckt ist oder nicht...
Ich bin Ratlos und weiss nicht mehr weiter
Ich mag doch nur meinen Sound wieder haben...
Habe jetzt im Forum gesucht aber nichts gefunden was mir geholfen hat.

Englisch bitte.. Alle hier verstehen Deutsch nicht, obwohl ich verstehe dich weil ich sprich jiddisch.

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