I upgraded to the A12 bios but the artifacts remain, sometimes they stop, I've tried everything, have wi-fi with dw1510, sound and everything else working.
Hello, I'm new installing OS X on Dell computers, I'm trying to install 10.10.2 and follow the guide Jake Lo, the most features is working, but I'm having problems with artifacts on the screen, my bios is A11 but the problem to be continued. sorry my English I am using the translator