Nasty macOS flaw is bricking MacBooks: Don't install this update

(Image credit: Future)

A new macOS update is causing more issues than it fixes, with Mac users reporting a host of nasty problems — including bricked MacBooks.

"The 8 Apr 2020 Supplemental Update for Catalina 10.fifteen.4 brought the organization down for a few hours," said i poster on Apple'due south own word forums.

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"Warning macOS Catalina 10.xv.4 Supplemental Update BRICKED my 13 inch Macbook 2018!" posted another user on MacRumors' forums.

"This bricked my 2019 MBP. Non providing power to devices either. Needs an SMC reset but won't accept it," posted a tertiary. "Be afraid, exist very afraid. Timing couldn't be more vicious."

Other users reported that the download didn't work at all through the App Store.

This supplemental update for macOS 10.xv.4 Catalina, released Wednesday (April viii), was meant to resolve issues created by the 10.xv.iv update in late March.

That earlier update created bug with systems crashing during large file transfers, failures to wake upwards from sleep mode, unresponsive USB-C ports, random restarts and fifty-fifty kernel panics.

What to practice about the bad macOS Catalina update

The new update may indeed fix those, but it seems to exist making things worse. Until Apple tree sorts this all out, don't install the Supplemental Update for Catalina 10.15.4.

If y'all take done then and your machine is stuck or otherwise hangs, one affiche on Apple'south discussions forums might accept found a way around the result.

"I went to Recovery Manner, ran the Disk Utilities First Aid and then rebooted again," tim01 posted. "My screen came up and I was able to sign in."

Paul Wagenseil is a senior editor at Tom's Guide focused on security and privacy. He has likewise been a dishwasher, fry cook, long-booty driver, code monkey and video editor. He's been rooting effectually in the information-security space for more fifteen years at FoxNews.com, SecurityNewsDaily, TechNewsDaily and Tom's Guide, has presented talks at the ShmooCon, DerbyCon and BSides Las Vegas hacker conferences, shown up in random Boob tube news spots and fifty-fifty chastened a panel discussion at the CEDIA home-technology briefing. Y'all can follow his rants on Twitter at @snd_wagenseil.

Source: https://www.tomsguide.com/news/nasty-macos-flaw-is-bricking-macbooks-dont-install-this-update

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Nasty macOS flaw is bricking MacBooks: Don't install this update