![]() Meantime, for those mulling a move to Big Sur, it might be prudent to steer clear of this upgrade – at least for a while – if you’re running one of these older MacBook Pros, particularly if you’re a cautious type. macOS Big Sur 11.7.2 Update addresses multiple security vulnerabilities. ![]() Whatever the root issue is here, hopefully Apple is investigating and will tackle any potential issues with Big Sur and older portables. Apple still fixes previous update bugs & major issues in Big Sur and Catalina updates, but usually only address security issues. If you have been hit by this issue, your best bet is to contact Apple for help, and the company has apparently advised at least some of these affected folks to bring their laptop in for servicing (as mentioned above). There are anecdotal reports of solutions that work, but we’d certainly advise a great deal of caution around them – the most common one is seemingly to open the MacBook Pro and unplug the I/O board, but messing around with the internals of the machine is something you undertake entirely at your own risk. There are also complaints of this happening on Apple’s own support site, and that thread provides a number of links to other reported cases (also on, and the MacRumors forum).Īffected laptops get a black screen as described, with nothing happening except the screen lighting up – but staying black – and the Apple logo on the MacBook lighting up. Various other MacBook Pro owners have chimed in on that thread with similar tales of woe for 2013, 20 models. Check device compatibility macOS Big Sur ends support for a few old Mac models that are compatible with macOS Catalina.
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