A large number of owners of the 13-inch MacBook Pro reported in late 2013 and mid-2014 that the macOS Big Sur The update is crashing their devices. a Mac rumors Forum topic It has a large number of users reporting the problem, and similar issues are being reported via Reddit And the Apple Support Communities, Which indicates the spread of the problem.

The users are Reports That while updating to ‌macOS Big Sur, their device stopped displaying a black screen. Key reset combinations, including NVRAM, SMC, Safe Mode and Internet Restore, are said to be inaccessible after trying to install the update, leaving no way to bypass the static black screen.

The overwhelming number of users encountering problems appeared to be the owners of the 13-inch MacBook Pro in late 2013 and mid-2014, but it is unclear exactly how many users of these models were affected. It should also be noted that these are the oldest models ‌macOS Big Sur supports.

One hung on Reddit He said Apple Support told them to reserve their MacBook Pro for repair. Another on Apple Support Theme He said the problem had been escalated to Apple’s engineering team, so Apple should now be aware of the problem.

Until the cause of the problem becomes clear and Apple releases a fix, the 13-inch MacBook Pro in late 2013 and mid-2014 may want to delay installing macOS Big Sur.