Hello everyone, I’ve been trying to install at least Big Sur on an iMac I received recently for fun, but every time I click on the EFI boot, it starts to load the “install macOS Big Sur option” with the pressed number at the bottom, before rebooting back into high sierra. There’s a separate issue where the iMac just boots slow in general despite having having an SSD and 12 gbs of ram. I doubt the i3 it has would be giving this much of a headache either. I’ve tried everything such as resetting nvram/pram, reinstalling macOS and rebuilding and installing open core as well, I tried the same with Sonoma, Monterey and more, but nothing has happened Thanks for any help
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEityVXSF8VS2leRJ9QGVDJzj7gLa21fyI5dhdTbzEiwhSFvmftxsxDvuhYzwW6DMGRga0q3xhg4XvnFFnFFSDJleoiSbIf_yv4GhogOn46KJPJVaDBwP8s-VTxDZlzRHKI1PbGQuu9YKAQtetFbwzGT1liGtGiLeVD7yiCM-z854sqaLcZKZrtBAFPrI7A/s512-rw/opencore-icon.png)
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