AMD OS X - USB 3.1 Ports & ALC892 Audio Is Not Working In High Sierra 10.13.2

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#35671 by rajib
Sun Dec 31, 2017 5:01 am

after installation of HighSierraAMD_V2_UEFI 10.13.2, none of my usb 3.1 ports are working and also my motherboards alc892 audio is not working.but usb 2.0 ports are working properly.please help me to fix those issues.
my pc specs are in my signature.

CPU: Ryzen 5 1500x(oc 3.9)
Motherboard: MSI B350 Gaming Plus
RAM: Kingstone Hyperx Fury 8gb 2133mhz(OC 2666)
GPU: Zotac GTX 960 2gb Reference Style.
M.2 NVME: 128gb Samsung SM951(HighSierra 10.13.2)
SSD: 256gb Samsung 750evo(Windows 10)
HDD: 1TB Seagate(Storage)