2015-09-11 New and complete steps to patch dsdt and ssdt. Ok, I decided to write up a full tutorial about how I get my Yosemite 10.10 to work on my HP SleekBook Haswell i7-4550U HD5000: Sleep/wake/battery/sound/backlight slider/speedsteps/turbo/USB3.0. It’s a long video, but it starts from the beginning to end. It took me a long time to …
Before installing OSX onto Windows PC or Laptops, check the device ids for compatibility and extract dsdt and ssdt(s). Download RWeverything.
I got an HP Envy Haswell Laptop with i7-4550u and Intel HD5000 graphics. I installed triple boot Yosemite 10.10 released version and Mavericks 10.9.4 on it. They all perform well on the laptop.
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.
2015-02-07 I think it’s best to patch kexts and dsdt yourself, but in case you have problems doing it, attached are my files for references. These files are patched to work with HP Envy4-1117nr i5-3317u HD4000. Wifi AR9285 & BCM943225HMB. Sleep/wake with lid close/open and no wake after 2 hours. My Yosemite files for HP …
