On Wed, Apr 10, 2024 at 11:42:22PM +0200, Riccardo Mottola wrote: > Your explanation sounds plausible. > However, "UEFI Boot Mode" is disabled in BIOS, I don't know if it is still > used by the CD or "detected" somehow anyway. > > How can I tell further?
Can you boot the original install CD you used, exit the installer and check the output of: sysctl machdep.bootmethod This should either tell you BIOS or UEFI, and this is how the installer decides what kind of setup the booted system later will need. Martin