can not boot without usb drive

[paidbuy]

after first time successfully install macOS 10.15.4, I can not boot without usb drive. I mean I have to insert olarila installer usb drive to boot Mac. 

and I can not shutdown my pc, every time its restart.

my pc info -

9th gen i3

msi h310m pro-vh

radeon rx 580

16 gb ddr4 ram

256 gb ssd

plz help

 

Thanks

[MaLd0n]

check step by step

https://www.olarila.com/topic/5794-hackintosh-guide-install-macos-with-olarila-image-step-by-step-install-and-post-install-windows-or-mac/