I have no issues with the MBP regarding stability or too much heat output but if the GPU is actually on and drawing power/heating up then I would like to know a way to bypass that which would enhance my thermals and presumably battery life as well. Upgraded anti-glare screen with higher than stock resolution. So I am wondering if the GPU is still on and heating up for no reason or if it's just measuring the temperature of the GPU which gets hotter because the CPU runs on the same heatsink? I even installed gfxCardStatus to see the current used graphics device which had shown the Intel iGPU. īut the kext for actually running the dGPU 3000 was not present in the OS (it was in High Sierra), which made me sure that the GPU was at idle if on at all. Since the GPU was disabled and saw MacOS Catalina was released I wanted to finally get off High Sierra in favor of an OS that actually integrates darkmode, so I followed dosdude's guide on the MacOS Catalina patcher which went seamlessly and now MacOS Catalina is in fully working state in my MBP, small anomalies such as light mode having weird dark-gray colors and no transparency but nothing to worry about (Dark mode is just fine).Īfter I installed Macs Fan Control (I like my mac running cool rather than quiet) I saw that the GPU is running in the high 40s/low 50 degrees Celsius range and I was wondering if my dGPU was working inside Catalina so I went into terminal and used the following command to see if my GPU kext was picked up. This is the guide I used for disabling the AMD dGPU: on an incompatible machine the software has no effect but it does allow for install and be ready to run when booting a compatible machine).I had recently disabled my AMD dGPU on my MacBook Pro 15" from 2011 since it was starting to show it's age (usually it worked fine for the last 7+ years but sometimes it would start to show symptoms of nearing failure which was common on the 2011 models so I stepped in and finally decided to disable the GPU before it bricks itself, disabling me the access to the terminal since switchable GPU MBPs always boot from dGPU first). (iii) Allow for install on another computer even if that other computer is not a compatible machine (i.e. (ii) Allow for install in “target disk mode on another machine Allow or install on in single-user mode (that works) I’m afraid to try it, but it might be a way to force integrated mode all the time, completely and totally, absolutely no discrete, without using gfxCardStatus. How can I install gfxCardStatus when I cannot get the machine to boot? I had previously found this online: where a manual procedur is posted. Switch MacBook Pro graphics cards with gfxCardStatus On Apples latest MacBook Pro systems, the dual GPU setup allows for dynamic switching between the onboard and discrete graphics chips. It has a 2 week return policy so I'm going to try and find a fix for the old lap top and of it works, return the new one and of not I will keep the one I have. I went to Apple store in NYC tonight and got a new Macbook Pro 15 inch. gfxCardStatus is an open source menu bar app for macOS that was developed by Cody Krieger to monitor graphics activity in MacBook Pro models with multiple GPUs. Is gfxCardStatus indeed a possible solution by forcing the use of “integrated only” early enough in the process to allow boot to complete? Edit: the amount of feedback I've received is amazing. I have the following questions for the author (and thank you for developing this software in the first place). Reading this post, the issue seems to be the same as the one reported by ttrtilley (and others). It would be great if we could use gfxCardStatus to always force the usage of the internal GPU.Ī genius bar rep suggested gfxCardStatus because my video card is bad and the system crashes before it completes the boot. Note: if I let the ATI* and AMD* extensions in place, my MBP freezes during the boot sequence Today gfxCardStatus is used by a lot of the owners of early 2011 MBPs who have troubles with the external Radeon GPU.įor example, to be able to boot my MBP 8.2, I must remove the ATI* and AMD* extensions, but in this case, the selected GPU is the Radeon GPU and gfxCardStatus is not able to force the usage of the integrated GPU because it detects an external display even I have no plugged external display !. Ogattaz gives an excellent description of this problem in: This problem also occurs when booted "Safe Mode". kext files to get it to boot all the way to login screen. Strangely enough, it DOES allow "Discrete Only" and also allows Dynamic.
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