 | Hello So I followed a YouTube video to upgrade my mac book pro from 2017 from Mac OS Monterey to sequoia, but when reaching the step when you did all the usb key stuff and try to download ( approx 6:42 in this video : https://youtu.be/in5-3EjKFqA?si=qFhjCtQkD-puTkHi video) I click on Macintosh hd and get this error ( which translates to : An error occurred during installation preparation. Try running the application again.) I highly need help [link] [comments] |
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