H4cktosh Posted January 20, 2021 Author Share Posted January 20, 2021 no it's new installation for now i have used this USB many time!! my hack run smoothly with clover on catalina but bigsur installer is on USB and i have installed many time from this usb Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted January 20, 2021 Moderators Share Posted January 20, 2021 what I mean is can you boot to Big Sur successfully with the files you last posted? YOu said that's what you have on the USB, but can it boot your Big Sur on the 7520? If not, then post the files that can Link to comment Share on other sites More sharing options...
H4cktosh Posted January 20, 2021 Author Share Posted January 20, 2021 As I said, the installer always comes up with the same boot, and I used to install Big Sur, but now it doesn't come up anymore! Unfortunately I will try to do the installation anyway and fix the current problem, then I will attach the new file here Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted January 20, 2021 Moderators Share Posted January 20, 2021 No need to quote me on responses. The files on the 1st post, can that still boot? I am confuse about where you get the IOReg file since it shows MBP13,1 while all your Config file shows MBP13,3. Did you use different files to boot when you extracted the IOReg file? Link to comment Share on other sites More sharing options...
H4cktosh Posted January 20, 2021 Author Share Posted January 20, 2021 thats zipped from my usb ioreg is from extracted runme.app last time i have generated Link to comment Share on other sites More sharing options...
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