i just bought sapphire RX480 8gb card.  it is recognize in windows 10 but gives error in device manager as follow:

Windows has stopped this device because it has reported problems. (Code 43)

i used driver uninstall program in safe mode and re install. try all new and old drivers all resulted same.
Any idea how to fix this?

what is good recommendation for good mining video cars? AMD or NVDA?