Because you had that b150a MB, I assumed you had the 6th gen cpu too. So you need to use the 6th gen cpu update the BIOS first, then switch the 7th gen cpu. If you don't have the 6th gen cpu the pc will not boot, and you can't boot into the BIOS.
Because you had that b150a MB, I assumed you had the 6th gen cpu too. So you need to use the 6th gen cpu update the BIOS first, then switch the 7th gen cpu. If you don't have the 6th gen cpu the pc will not boot, and you can't boot into the BIOS.