with the discrete GPU disabled, the CPU will not generate enough heat to make the GPU relapse.I've used gpu-switch to execute it on startup (from crontab). Once you get up and running, disable the discrete GPU and don't reboot. This would make it come back to life for a bit more (note, everyone agrees this is a temporary hack only). While there, also re-greased the cpu + gpu with a proper arctic silver thermal grease.
Mine also didn't even get past the apple logo, but I tried the idea on the net where you disassemble the logic board and apply 120-160 celsius degrees temperatures with a heat gun. If I can fix it, I MIGHT buy another mac product, but I'd hate to get caught in this kind of a lurch again just because I don't shell out enough money for Apple when they screw up. So now I'm using the discrete chip with slow graphics, and I don't know if I can even USE the integrated chip. Thanks Apple for locking me out of my machine completely.).
Gfxcardstatus integrated only not working driver#
I don't know if that's because I had to move the driver (after going to target disk mode and using my wife's Mac because Sierra won't let you move any files if you can't boot into Recovery mode, which I couldn't, to turn off rootless. At any rate, I can't get v2.3 to switch to integrated graphics as it continues to claim I'm using an external monitor. If their "vintage" (yeah, that's the term they use) macs can't be replaced with anything comparable, don't know what else to do.
And, worse yet, Apple won't fix it claiming they no longer have the parts to do so (possibly true, but who knows the truth but them), or offer any kind of monetary settlement to fix anything like the program offered people who attempted to fix it prior to their program. Yeah, I pretty much had the same thing happen.
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