Unable to boot OSX though UEFI. AsRock, Dual Boot

Hi guys.

I managed to install 10.11.6 on my PC (UEFI mode) and used MultiBeast for the post install setup, installing the Clover v2.3k r3423 UEFI Boot Mode. But my UEFI menu doesn't show any entries to boot from. No Clover, no Windows, nothing. I have to boot OSX though the Clover boot loader, that is on the USB drive.

I read many threads with similar issues, which usually suggested to download a newer Clover Version etc, but I guess, in my case, this is not the issue. I suspect that I'm...

Unable to boot OSX though UEFI. AsRock, Dual Boot