So today I managed to install my new mobo (H510m S2H) and an i5 10400f. After installing everything, it booted up like normal surprisingly to my normal windows. However it was laggy as hell and while searching around people said that a fresh reinstall of windows is recommended when changing your motherboard. So here I am after reinstalling windows 3 times, with a USB drive totally fresh not just a factory reset, and I still can't get away from the lag and slow app startups. Any suggestions?