[Solved] High Sierra can't boot from HDD but only from USB

[D4RKW4YN3]

Hello everyone,
this is my first hackintosh and I really struggled with it. After some time I finally reached the boot and installation with USB (unibeast). Now I did what the guide said and I used Multibeast to set network and audio drivers, uefi boot and nothing else.
When I restart I choose the uefi boot from boot menu and after a short time the apple logo became a prohibited sign. I read it is because it can't find the boot device but everyone is talking about USB while I'm already at the next step.
I can't really find someone with my same problem so I wrote this new post.
I hope someone can help me.
Thank you!

 

[P1LGRIM]

Insert your USB installer.
Power on the computer and press your boot menu key - Usually F12 but YMMV.
At the boot menu screen select your USB flash drive as the boot device and boot.
At the Clover menu screen select your hard drive and boot.

When you get to the desktop download and run EFI Mounter and mount the EFI partition of your USB.
Copy the entire /EFI folder from the EFI partition of your USB to the desktop.
Eject the USB.
Run EFI Mounter again and mount the EFI partition of your HDD.
Delete the entire /EFI folder from the EFI partition of your HDD.
Copy the /EFI folder from your desktop to the EFI partition of your HDD.
Restart

You should now be able to boot from your HDD in the same way that you could previously boot from your USB.

 

[D4RKW4YN3]

Insert your USB installer.
Power on the computer and press your boot menu key - Usually F12 but YMMV.
At the boot menu screen select your USB flash drive as the boot device and boot.
At the Clover menu screen select your hard drive and boot.

When you get to the desktop download and run EFI Mounter and mount the EFI partition of your USB.
Copy the entire /EFI folder from the EFI partition of your USB to the desktop.
Eject the USB.
Run EFI Mounter again and mount the EFI partition of your HDD.
Delete the entire /EFI folder from the EFI partition of your HDD.
Copy the /EFI folder from your desktop to the EFI partition of your HDD.
Restart

You should now be able to boot from your HDD in the same way that you could previously boot from your USB.

Thank you for the fast answer!
i downloaded EFI mounter v3, i launched it and it shows up with the attached image UI.
i don't really want to mess up so i tried to understand which disk was the usb by searching for more information in the finder but i didn't find anything... can you please help me again?

 

[P1LGRIM]

Thank you for the fast answer!
i downloaded EFI mounter v3, i launched it and it shows up with the attached image UI.
i don't really want to mess up so i tried to understand which disk was the usb by searching for more information in the finder but i didn't find anything... can you please help me again?

If you cannot work it out then you should disconnect any additional disks while you do this procedure.
If you open Terminal and type :

diskutil list

The resulting output should help you to determine the correct disk.

 

[D4RKW4YN3]

Thank you very much!
It works!
I'm writing from my new Hackintosh!
Now I expect to have some problem when I will get in my gtx 1060, I removed it because I thought she was giving some error, let's hope.
BTW thank you for being so fast and helpful!