 | Hello! I am trying to upgrade my iMac (Retina 5K, 27-inch, Late 2015) and I’m getting a com.apple.Buildinfo.pre-flight.error error 21 when I attempt to install to my 2 TB SSD. Has anybody run into this? Thank you! [link] [comments] |
![[link]](https://i.redd.it/fwc1mbwuh75g1.jpeg){kind=link}
Preflight Error 21 While Attempting to Upgrade to Sequoia
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