This would happen randomly when the computer switches to discrete graphics.Īpple had a free recall program to fix the issue and has since expired however, they only temporarily fixed the problem by sticking a rubber piece under the U8900 V-core chip to push it in place.

For instance, 15” Early 2013 Macbook Pros would have a black screen whenever the computer gets hot keyboard backlighting and sound would work, but there would be no video. Sudo nvram fa4ce28d-b62f-4c99-9cc3-6815686e30f9:gpu-power-prefs=%01%00%00%00ĮDIT: Thanks so much for the gold, friend!!! I am always happy to help.Depending on the year and model of a Mac, there’s usually a different reason why GPU panics occur, though it’s most likely tied to the discrete graphics card. See if the system starts normally.ġ5 - Enable SIP again (restart the system)ġ9 - Open Terminal (Finder -> Applications -> Utilities -> Terminal (copy and paste) : The Mac OS will rebuild the kernel cache and restart. Sudo mkdir /System/Library/Caches//ġ1 - to update the timestamps so that new driver caches - without AMD drivers - will be definitely rebuiltġ2 - Unmount a partition to guarantee that your changes are flushed to itġ4 - Before enabling SIP again, try the normal boot without pressing any key. Sudo rm -rf /System/Library/Caches//ġ0 - Just in case OS X will be dumb and will not recreate this directory, we are creating it for OS X Sudo mv /System/Library/Extensions/AMD*.* /AMD_Kexts/

SIP (csrutil) only enable / disable on Recovery Mode.Ħ - Mount a root filesystem with read/write permissionsħ - Make a directory to store the AMD drivers in case you'll need them in future Also, for high Sierra and sierra users, you guys can follow a much easier set of steps (thanks to YouTuber PeytonPlaysMC):Ģ - Disable SIP (SIP lock System folder -> no move kexts to another folder).

Fix graphics card in macbook pro