macOS Catalina is bricking some Macs, due to broken EFI firmware

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It appears like some Mac customers are discovering that upgrading to macOS Catalina is bricking their Mac. A number of discussion board posts counsel injury to the EFI firmware may very well be responsible for the widespread problem.

macOS Catalina bricking mac efi firmware

Picture supply: Apple

macOS Catalina bricks some Macs

9to5Mac posted a number of threads in regards to the issues with macOS Catalina. The consumer who posted this thread began earlier this month states that after updating to Catalina, their 2015 MacBook Professional is bricked. After they attempt to boot up the MacBook Professional, all they get is the “folder?” emblem after they press the choice key or command-R whereas it’s booting up.

One one who responded additionally stated macOS Catalina bricked their MacBook Professional. They skilled the identical problem and steered that the replace might have corrupted the EFI firmware on the laptop computer’s logic board as a result of it “not acknowledges key combo.” An Apple Help consultant advised them it was a {hardware} problem, however the individual disagrees as a result of the MacBook was working simply wonderful till they put in macOS Catalina.

The variety of discussion board posts about macOS Catalina bricking Macs has been rising as an increasing number of customers have put in it. Nonetheless, Apple has to this point not admitted that there’s a downside.

EFI firmware blamed for the difficulty

One other consumer of Apple’s boards instantly associated the issue to what macOS Catalina is doing to the EFI firmware when updating the pc. The individual stated they tried all the things from widespread “magic button combos” to altering and testing the SSD and reminiscence and even disconnecting the battery for some time to reset the settings.

They stated they lastly took their 2012 MacBook Professional to an “official” Apple service supplier, they usually merely stated that the gadget was “too outdated.” Subsequent they went to an “unofficial” service supplier, they usually examined the {hardware} and located it was working accurately. Nonetheless, the MacBook Professional wouldn’t boot up with the motherboard that was inside it. Ultimately, the “unofficial” repairmen reprogrammed the EFI firmware with a “particular instrument,” and it began working. It value the individual $100 for them to do this.

The whole episode as soon as once more calls into query Apple’s motives when coping with an older gadget. The corporate has already gotten in hassle for slowing down older iPhones with iOS updates, so it’s comprehensible that buyers would query whether or not macOS Catalina is bricking Macs that are a number of years outdated, maybe so they may purchase one other Apple laptop computer.

Beta 7 precipitated the identical downside

It appears this isn’t a brand new problem with macOS Catalina. One Apple consumer began a thread on StackExchange stating that the seventh beta of Catalina bricked their MacBook Professional. The individual additionally stated they acquired the “folder?” query mark icon like everybody else who’s reporting the difficulty. One individual responded to say that the beta model did the identical factor to their MacBook Air, and the issue was discovered to be with the firmware, with the one resolution being to switch the motherboard.

Sadly, there doesn’t appear to be a lot that may be completed about this downside besides paying Apple tons of of {dollars} to switch the motherboard. One possibility is to attend to put in macOS Catalina till that is not occurring. Another choice is to attempt a clear set up of macOS Catalina, though there isn’t any assure that this can allow you to put in it safely with out damaging the motherboard. If you wish to attempt it, now we have a information right here that may inform you how you can do it.



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