I’ve been using rolled back AppleACPIPlatform.kext for so long because I didn’t know how to patch dsdt. It took me a few nights to trial and error until I got it to work. This is how I patched my dsdt on Envy 4-1117nr i5-3317u. Rehabman dsdt patches. MaciASL.app. Tutorial.
October 29, 2014 / 6,475 views / DSDT Patching | Ivy bridge | MacWannaBe | Sandy Bridge | Yosemite OSX