The procedure described in the steps 1-3 worked for me until macOS Sierra, but with the upgrade to High Sierra, I started getting a pinkish/reddish screen and I was unable to enter Recovery mode to repeat step 3 as I had to do in previous upgrades. You can permanently disable discrete graphics card following next steps: UPDATE! Try to edit NVRAM variable from Single-User mode
Is that true? And if yes, how to do that? I heard that the same EFI setting is responsible for not even showing the integrated GPU to other operating systems than macOS and you have to trick it somehow to think it's macOS. If I disable the discrete GPU from EFI, will macOS think that the integrated GPU is the one installed and will it let me use multiple monitors with it? If you force integrated graphics in GfxCardStatus, Mac OS X (up to Yosemite at least) doesn't allow you to use multiple monitors (even though the built in Iris Pro can do it). The question is basically whether the command mentioned in GfxCardStatus github issue comment here is correct or not, and how to undo it if it doesn't work.Īn answer to this alone is a correct answer, but it'll be awesome if you can also tell me: I'd also want to know how to undo it if needed. I assume this is persistent across multiple reboots. How can I disable the discrete GPU from EFI? I know I can use GfxCardStatus but I read I could have a more permanent solution by changing some EFI flag. Your out-of-pocket costs to repair a broken screen for a MacBook Air under AppleCare+ would be a total of $348.I'd like to disable the NVidia GTX 750M GPU on my MacBook Pro 15" (Retina, Mid 2014, Mac OS X 10.10 Yosemite). If your screen or external closure is damaged, you’ll have to pay a $99 service fee. How much does it cost to fix a crack on a MacBook?.How do you know when your Mac is dying?.How long does Apple take for screen repair?.Does Apple fix cracked MacBook Pro screens?.How long does MacBook screen repair take?.Does Apple replace MacBook screens for free?.Is it worth replacing MacBook Pro screen?.How much would it cost to fix a MacBook screen?.
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