gigabyte ga-z97x-ud7 th

Hello everyone! I have a hackintosh with a Gigabyte GA-Z97X-UD7 TH motherboard, under High Sierra with Clover 5.4.5. I have two SSDs, for MacOS and Windows, and I activate only one at a time in the bios. Until a few weeks it worked perfectly. But now 4 of my USB ports on my motherboard no...