With OS Big Sur and Monterey, they will not auto allow you to boot from them externally, however you can adjust that with the method above. You will want to make sure that option is checked. Once there, there should be an option to allow booting from external media. From there, go up to the Utilities option at the top of the screen and select Startup Security Utility. Looking into this further, the next step here that I would recommend is booting up the computer using Command R. 23 December - to OWC:Īgain, ended up with the multi-language alert. Have you by chance tried installing Big Sur to the SSD at all? This is the OS before OS 12 Monterey, however I would like to see if it allows you to "step up" with the OS updates and if that provides better results. I would like to narrow down the issue a bit further with you. I then booted up in Recovery Mode, erased the OWC SSD, formatted it at APFS, then installed Monterey from Recovery Mode.Īgain, ended up with the multi-language alert. My first effort to install Monterey was to run Software Update from Sys Prefs while booted to Big Sur and that failed dismally. The iMac has been problem free, running Big Sur, booted from the external OWC SSD, ever since Big Sur came out last year. Once opened, click on File and select Save. Can you send me a copy of your System Report? To do this, go to the Apple logo in the upper left hand corner and select About This Mac. Looking into this further, the firmware is updated properly on the computer, however let me take a look at the information a little more closely. Here are my exchanges with them so far: 22 December - from OWC: Their support is super busy and they are getting back to me but slowly.
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