Hello, I have just bought a new mobo for PC which is ASUS PRIME B460M-A R2.0. Mobo recognizes my old disk: Samsung SSD 850 EVO but doesn't find it as bootable media... I've googled a bit and I have seen that I should maybe enable CSM mode but it's greyed out and disabled on this specific bios not sure why... Then I've also read that disabling fast boot and secure boot could enable CSM mode to not be greyed out but it didn't help, it's still greyed out and also disk is not visible as bootable... Read more Weiterlesen...