i cloned the drive and i tried to boot from it but it just keeps chrashing at startup.. Any idea why? I can find the drive in the BIOS but as soon as i chose it as an option it crashes. And if i have the NVME installed at the same time as the original SSD nothing works..
Perhaps probably you didn't clone the hidden partitions (in the case below, the ESP one) as well?
Perhaps the only what I can figure to fix that efficiently is just reinstall Windows, unfortunately.