Here's what Disk Utility spits out (might be a typo or two, this is text recognition from a photo booted into a Monterey Recovery Partition): Has anybody else tried doing this? Does it work? Something particular I need to do with Disk Utility when erasing the volume to avoid problems? Normally I'd have no fear of wiping just one partition on a drive, but I have no idea what Boot Camp is going to think of this, or if it's going to completely break my Windows install.
#Volume could not be unmounted using disk utility install#
Use Migration Assistant to import my data to the fresh install from a Time Machine backup.īut. I have a Windows Boot Camp partition on the same internal drive and I really don't want to have to go through completely reinstalling Windows as well.Boot into the installer and reformat the boot volume to eliminate the old OS and any disk directory problems.Create a Monterey USB installer (tried Command-Option-R to use latest-OS Recovery Mode instead, it hung and wasn't able to download the Monterey installer for some reason).Since I've been having some possibly-related weird behavior, and don't want to risk disk corruption coming back to bite me later, I want to do the nuclear option of a completely fresh install. After some checking, it turns out that the Data part of the AFPS boot has a "fsroot tree invalid key order" when checked, and even booted into the Recovery partition neither Disk Utility nor a terminal fsck command is able to repair it. When I tried to install the update, it failed on a disk error. I have a final-gen 27" Intel iMac currently running 10.15 + Windows 10 Boot Camp partition, decided to skip Big Sur and go straight to Monterey.