[HELP] Dell inspiron 5558 Attempting system restart MACH reboot.

Hi, i’m using high sierra with my 8gb usb and i used UniBeast alone without any modifications.

And I always get these errors during installation Attempting system restart.... MACH Reboot Specs: I7-5500u Intel hd 5500 + nvidia gt920m 8gb ddr3 1tb hdd

I’m new to hackintoshing