I noticed that a friend of this forum had the same problem when installing PVE using dell poweredge. His solution is to cancel all boot options and only keep USB as the only boot.
I also referred to this method to try to install, but it didn't solve it.
It now appears that you can only try to...
sorry. my english is not good.
i install pve 7.1/7.0 with ISO in USB.
allways failed prepare efi boot using grub..... nvme0n1p2.
intel 11500
ausu b560i
M2 samsung 980nvme 500g
no hdd by now
pve can not install to nvme?
but i try to install to a sata ssd, is same too.
please help me...