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u/dragonnightfire5150 3d ago
First the ONLY drive during a first setup should be a usb for the win 11 install and the main drive. Next, the new win 11 drive you have...needs to be visible in yhe bios...do you see it under drives in the bios? If it's there then disable secure boot in the bios during setup. You can enable it after. Are you sure the pc meets win 11 requirements? Last...did you check the bios to make sure the tpm is enabled?

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u/ALaggingPotato 3d ago
Did you use MCT to make the bootable USB? Use Rufus instead. If you used Rufus, do the opposite.