Windows 10 please....
also could be bad gpu or risers
ok,.. i'll try to update to win10
after a few hours make update to win10..
used AMD Driver 12.4.2
i can see my GPU all work in device manager

but,... hashrate still not change like before..
here is the result:
https://i.postimg.cc/sX80gWyS/updateresult.jpgany suggestion to make RX480 back to 30Mhs..?
thanks