USB Type-C port does not work

My USB Type-C port does not work. I didn‘t map the USB Ports because I don‘t know how to map them. Is that why it's causing the problem?

Thanks in Advance! :)

PC Components:

Gigabyte B360M D3H, Intel Core i5-8400, NVIDIA GeForce GTX 1070 Ti 8GB, 16GB DDR4 2133MHz RAM

Bootloader: OpenCore 0.6.4

macOS Version: macOS High Sierra 10.13.6 (Build 17G14042)

SMBIOS: iMac18,3