Cannot boot without having safe mode enabled, and cannot boot without my install USB!

Hey all,

I have just finished installing MacOS on my computer (specs below) and have a few post-install dilemmas.

I cannot boot without having safe mode disabled!

If safe mode isn't on, then the screen just goes black after the apple logo. I have tried booting with the following flags as well (GraphicsEnabler=Yes, PCIRootUID=1 -f -v), but the issue just won't go away.

The reason I need to boot out of safe mode is so I can use EFI, and therefore Multibeast!

I cannot boot without the install usb being plugged in!

The install usb must be plugged in, otherwise my computer just goes straight to my windows install (on a separate drive).

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Hopefully someone can help!

Finley

P.S. My PC specs are below

-Intel Core i5 6500 -Gigabyte GA-B150M DDR4 -Sapphire Nitro RX 480 -16GB Ripjaws V Ram -WD 1TB HD for MacOS only