I bought an sapphire pulse rx 580 8gb(samsung) dual oc gpu from a miner i know.It had flashed bios to rx570 but i flashed it back to rx 580 and it shows a yellow triangle at device manager(code 43) and also the PCI simple communications controller.I have tried multiple bios old and new but the same problem.GPU shows up as microsoft adapter with no problem and when i install any driver it goes to yellow triangle.I tried flashing another rx 580 nitro vbios and it worked but crashed a lot because it had different memory timings.Also i have tried DDU in safe mode multiple times.If it helps i have an intel i7 2600k but with disabled iGPU.If you have any idea whats wrong pls help me