I've been having a bit of a tricky problem with my G570. I installed Lion on my desktop (using the process on this site!), and it went rather well. I managed to get absolutely everything working without a hitch. But with my laptop, I have been far from that lucky. First, let me make it clear I have searched high and low on this issue. I have found several solutions for people with similar problems, but none of their solutions worked for me.
The way I am installing to my laptop (and did to my desktop) is not via a distro, but using a retail copy of Lion 10.7.3. I use ###### from TonyMac, and the install process actually goes fine. No other method of install in fact, works for this laptop. I've tried them all, even distros. After install, my graphics work fine. I am able to get my wireless, sound, keyboard, mouse, battery, and (most parts of) sleep with kexts. But I have two issues, one major one. I cannot boot without the ###### USB plugged in. I have tried everything I can think of. I have found a few DSDT's for my model laptop, none work. They cause boot to fail regardless of flags. Same story with Chimera. I've tried Chameleon in the past, it doesn't work either. They cause either freezes, or kernel panics upon booting. If I use verbose, it stops in a few different places, seems to depend on the roll of the dice as to which it breaks at.
The other is updating to 10.7.4, it breaks the installation in the exact same way. I can live with being stuck forever at 10.7.3, but I can't live with having to use a USB every time I want to boot or restart.
I would really appreciate help as to where to go from here. I am new to this world. I managed to get my desktop working perfectly, and my laptop mostly, so I am "fairly" competent with OSX86 installation and my way around the processes, but I am not by any means knowledgeable.
Thanks in advance!



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