this is Project Latte, according to Windows Central

Upgrading to macOS 11.0 Big Sur is rendering some MacBook Pros useless



Upgrading from macOS 10.15 Catalina to macOS 11.0 Big Sur is proving more troublesome than users might have expected. On launch day, the situation was in chaos due to saturation of the servers, and in many cases it was impossible to upgrade to the new system. That same day, faced with such saturation, there was also a problem with Gatekeeper, Apple's security system with apps, which caused them to be launched extremely slowly.



But the problems have not ended there. Some users of 13 "MacBook Pro notebooks from 2013 and 2014 (especially the former) are reporting on Apple Support Forums, MacRumors and Reddit that after upgrading, their computer has become unusable after stick the installation to a white screen with no progress. For the server case, I upgraded to macOS Big Sur on such a machine when the beta was released months ago, and I have not had problems.



White screen of death



According to affected users, your computers stay on that white screen forever, and when you turn them off and on again, they go black, and they don't make the startup sound. In other cases, the problem is not so serious, and the screen does turn on, but the computer does not allow you to do basic troubleshooting tasks such as booting from the recovery partition.



When contacting Apple, the company asks them to try resetting the NVRAM and the system management controller (SMC), but generally, users who have the problem claim that it is not fixed. Some have managed to resume the installation by completely draining the battery and charging and reinstalling it.



One of the users who has collected information about the problem, claims to have been able to partially solve the problem by disconnecting the board from I / O ports. However, disconnecting it loses access to Wi-Fi, Bluetooth, HDMI, etc. Another user was able to fix the problem by unplugging and plugging in the board, which appears to be the victim of the macOS Big Sur installation. A user bought a replacement I / O board on eBay, and has been able to fix the problem. Apple has assured some victims of the problem that it is investigating what happened.






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