![]() I tried restarting without the 4TB backup drive connected and it worked (I wish I would have tried this after the upgrade to Big Sur). On Sunday I reinstalled from a backup from before the upgrade and guess what, it still booted to recovery. I tried everything (well almost everything as I leaned today, keep reading ) and I couldn’t get Big Sur to boot normally. Saturday morning I upgraded to Big Sur and after it was done, I found the system had booted to recovery mode. ![]() Update: Apple has also released a new 2021-006 Security Update for machines running macOS Catalina.After upgrade to Big Sur iMac does not boot correctly and boots to recovery when external drive with time machine backups is connected 2014 21.5” iMacĬatalina OS 10.15.7 is on external 500Gb Samsung T3 SSD (has been for years)Įxternal 4TB Western Digital for Mac’s local backup as well as a network backup drive for other MacBooks on the network (has been working perfectly for over a year) Apple says that it has received reports suggesting these exploits were used in the wild, so iOS device users still running iOS 12 should update immediately.Īccording to Bleeping Computer, at least one of the bugs was likely used to deploy NSO Pegasus spyware on hacked devices.ĭevices unable to be updated past iOS 12 include the iPhone 5s, iPhone 6, iPhone 6 Plus, iPod touch 6, original iPad Air, iPad mini 2, and iPad mini 3. There's no word yet on what's included in the iOS 12.5.5 update, but according to Apple's release notes, it is a security update that addresses vulnerabilities with CoreGraphics, WebKit, and XNU. The update can be downloaded over-the-air by going to the Settings app, tapping on "General," and selecting the "Software Update" option. Apple today released an iOS 12.5.5 update for older iPhones and iPads that are not able to run the current version of iOS, iOS 15.
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