iMac white screen of death after updating it to Yosemite.
Hi so i haven an core i5 2011 imac and for what ever reason i went to update it to yosemite which I shouldn’t now it won’t even boot just stuck on the white screen.When it was on osx 10.6.8 it work well and i know the gpu is about dead so i followed this tutorial and got it to work https://youtu.be/9esGch26G_A Now it’s on this white screen and I can’t roll back the os and I’m stuck now.The drive is also lock so I can’t do that tutorial on the youtube video.Please help
Is this a good question?