Tbh iv gave up now an back on Phoenix with bios mods,

Need help, every time I try and apply straps to my AMD cards the miner crashes windows, I have tried all the straps but still the same, I have a mixed rig of amd an Nvidia, if I do -strap 0,0,0,0,1,1,1 it will apply straps to the Nvidia card and not crash, also if I try -rxboost it crashes, I have tried stock bios an no OC still the same, I?m in test mode and running admin, I?m at a lose, please can someone help