Yosemite 10.10.2 Update On Haswell HD4400
04/21/2015 Update 10.10.3 from 10.10.1 The new update for Yosemite is here 10.10.2. I updated it last night and my graphics card HD4400 (80860a16) doesn’t load. It was lagging, the backlight slider bar was gone. Insanelymac has an article on how to fix this QE/CI lost after the update. If you have an HP laptop, …