If you need help in setting up your bios for your GPU, check the GPU Bios Guide, it will teach you how to bios mod with just 1 click, and yes it will 99% mod your bios the proper way. I have written this guide to help you setup your own gpu for mining purposes. I have a collection of lots of RX 4xx/5xx GPU’s and many Nvidia Gtx 1060/1070 Gpu’s and I have helped people on various forums, and had a lot of customers from which I’ve gained all of this knowledge. I’m mining ethereum for quite some time now.