hoje eu começei a minerar com a minha placa xfx rx 580 8gb ela deveria fazer por volta de 30 hash rate porém ela esta fazendo apenas 7 podem me ajudar a resolver esse problema?

I started to mine today with my xfx rx580 8gb i saw that it can make around 30hash but when I started the program it was only running at 7 hash could someone help me ?