![]() ![]() This is repeatable and what happens now every time the computer is powered on. Very grim.įollowing the crash, the iMac started a reboot loop, ending with a kernel panic after the Apple logo progress bar hits about 75%. It was clunkier, took longer, and the OS truly locked up, and then flickered out with some weird graphical glitches. Tricky to explain, but the crash felt a lot 'scarier' or more. It is a late 2013 27" iMac, running the latest version of macOS Catalina 10.15.7. My stalwart, long suffering, incredibly trusty iMac may be knocking on death's door. Late 2013 27" iMac endless kernel panic boot loop, no recovery mode, no safe mode. I've wiped the computer completely and tried reinstalling numerous times, but the only OS that takes hold is Catalina. Have tried Big Sur, Monterrey, Ventura, etc. I use the machine for virtualization and one the copied VMs are of course unable to run on Apple's silicon so have been trying everything I can think of to update it to the latest OS, but keep running in to update issues. The ASP recommended replacing the logic board which is $1k fix. I picked up the machine and it seems I am able to run Catalina, but whenever I go up above that there are issues with the updates. Took it to an ASP and they Revived it because was getting stuck on Internet Recovery not loading, but they were unable to restore it. ![]() I was able to pull most data off to externals, but still stuck. Once booting up it would last maybe an hour then crash. Last Monday my daily driver (MacBook Pro Late 2019) fully maxed out ($3300 refurbished in Mar 2020) started having issues. Woke up to crashed computer last Monday and now not sure how to fix? Need expert help ![]()
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