@bing
which software did you update... you didn't do THE software update that updates your system instead of just a few programs did you? if you did, you'll probably have to reinstall. try to reinstall over the top of the old one. maybe this will make it revert back. if not, at least you have a few places to start back up again because you remember how to to id from before. I've gotten 3 full installations to work just to make sure... I've also written my own instructions and placed them on one of the external hard drives. This helps a bunch, plus once I reinstall to the regular HD, I just import all my programs and setting while in safe mode, then just do a few slight hacks with the kexts and I'm home free. it doesn't even take up that much space. maybe that will be your life-saver someday if you install the system update. :-)

@ shir
what chipset do you have on your motherboard? do you have an external HD, as this was the way to go for me... I installed to that and then was able to install all the kexts needed to make it work. I think I've given all the steps above, but here goes again. also... for a SATA drive problem, I've found it easiest to make it an external drive that can be manipulated by <a href="http://www.tigerdirect.com/applications/SearchTools/item-details.asp?Sku=ULT40112">using this cable</a>... (don't worry, this isn't a plug for the company... I just usually buy my hardware from them)

If you have an nForce controller in your board, <a href="http://forum.insanelymac.com/index.php?s=&showtopic=80834&view=findpost&p=59557 6">this method</a> will work (you just have to do the searching to find the correct kext if your board isn't an nForce).
Let me know how it goes.

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