Here are 2 threads that I started re: specific support issues. I thought they should be under the category "Mac OS Monterey." The 2 links below are chronologically sorted but might want to start with the second one because I give a specific error message in there. (As an aside, in the second thread I plan to turn an old HDD into a thumb drive--I am looking to put a bootable Mac OS installer on there.)Why dont you tell us here
Unable to format a drive: Disk Utility Couldn't open disk -69879
MacBook Air 2017 Mac OS Monterey I connected an HDD to my MacBook Air using a Sata to USB 2.0 cable. The HDD had a bootable Windows 10 or Windows 7 install on it. The drive had sat for a looong time without power (maybe 3 years). The 2 partitions for this HDD were visible on my desktop. The...
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