2014-11-23 – The method below doesn’t really work if the AC power is connected – it still reboots after a few hours. I found this fix for the RTC Alarm which works through the night with AC power on, although it has some inconvenient stuff. I used this method now. The inconvenient stuff is: 1. …
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.
