It seems that macOS Big Sur update has the potential to damage the I/O boards of older MacBook Pro models!ĭepending on the stage where the update process bricks your machine, you can get away with disconnecting the I/O board from the logic board and restarting the computer. Yes, this is some advanced troubleshooting that requires you to partially teardown your Mac. | Source: iFixit (Step 18)Īpparently, some users have been able to un-brick their MacBook Pro’s plagued by black screen of death, by physically unplugging the I/O board. How to disconnect I/O board from logic board. Users with devices stuck displaying the black screen of death during the macOS Big Sur update don’t seem to have any viable workaround to bypass this error.Īpple has been informed by this problem and the official recommendation is to bring the computer to book and Apple Store repair and have the device serviced! Troubleshooting tips like NVRAM, SMC, Safe Mode and Internet Recovery (alt+cmd+R) key reset combinations aren’t working, once the issue flares up!

This is why we suggest you to think twice before attempting to upgrade an old Mac to macOS 11.0.1!

Unfortunately, at the time of writing, although reports are numerous, there is no easy fix for this problem. Although we don’t have a confirmation yet, please proceed with caution if you decide to install macOS Big Sur on your 20 MacBook Pro machines! How To Fix macOS big Sur Black Screen Update (November 19) – Apple has released a revised version of macOS 11.0.1 Big Sur that might focus on the installer bug reported in this article. Coincidence or not, these are the oldest devices that are compatible with macOS Big Sur! One of the things that all reports have in common is that the affected devices are old MacBook Pro models including late 2013 and mid 2014 13-inch MacBook Pro units.

The computers freeze and displays a black screen! If you’re owning an older MacBook Pro model and plan to upgrade to the recently released macOS Big Sur update, don’t do it! There is a good chance that macOS 11.0.1 will brick your computer! We’ve just been mailed about this and reports surfacing online from users complaining that their Macs get stuck during the macOS Big Sur update process.

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