macbook pro screen flikkers when startup after update windows
for installing windows 8.1 you have to do all the update's of windows8 first.
so i did the updates, and my mac reboot in windows, when loading my screen goes on and off, on and off, for the whole time.
i deleted windows from my mac and reïnstall it, again i do the update and its flikkers again
please help me
(ps: sorry for the bad english, i'm dutch 🙂 )
MacBook Pro (13-inch Mid 2012), OS X Mavericks (10.9)