no bootable device

I've successfully installed Mac Sierra, Windows 10 and Ubuntu 16.04 on the same HDD disk and after all this i installed Multibeast, but when i've restarted the laptop I was not able to see the list of clover to choose between the three operating systems and the following phrase appeared: no...

Hi all, i have instaled mac os 10.12.5 on my pc, after installing the clover EFI on the HDD bootloader i'm unable to boot in to mac os again. when i select the EFI partition of the USB the clover EFI bootloader works fine. does anyone fave a solution?

If following the instructions in the link below for clover install and clover does not boot, i have a tip for you. http://www.tonymacx86.com/yosemite-desktop-guides/144426-how-install-os-x-yosemite-using-clover.html If you get a black screen or no bootable device found error keep reading. This...