Thank you so much for this, im also new and have just got me leopard working and now learning how to get snow leopard! everything is working but that last part. but ill get it working. Once again great write up and thanks...

UPDATE: Got my sound working, all i did was just copy over your file, and its work. i know this is not the best way but i have sound! Problem fixed, reinstall and did not click on the SleepEnabler when installing, then updated and i need to install the update, i have downloaded the file could anyone please give me some info on how to install this?