Boot using Command + R (this may take a bit longer for the progress bar with Apple logo to boot).Manually type nvram boot-args="-v" and run it.Shut down your MBP and turn it on again and then boot using Command + S.Hold it until you hear the chime at least 2 times. (Turn on your MBP and immediately hold Command + Option + P + R buttons. Then let go and you should see the the light on the charging dongle flash once.) (Shutdown your MBP, unplug everything except charging cable and hold leftShift + Ctrl + Option + Power for about 15 secs. It is a very straight-forward manual, but please make sure to follow the instructions very closely and to type the commands precisely: I mostly followed the procedure by arhirienko from GitHub, though I had to add some of my own tweaks in order to really make it work. (This would probably also work with Security Updates 004 or 002 etc. ![]() I have a 15" late-2011 MBP and I'm on High Sierra 10.13.6 (with Security Update 2020-003 installed). ![]() Hey guys, I'm happy to report that after long struggles with trying to find a PERMANENT fix for this crappy GPU I finally found one that works like a charm! Now I can restart my MBP and it will boot normally by using the Intel GPU rather than the faulty AMD GPU and I no longer have to bring it back to life after each restart!īelow I'm sharing the exact steps I followed and I hope it can help someone else as well.įirst of all, many thanks to for pointing me into the right direction and then for his continual help.
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