MSI X470 GAMING PLUS

I bought a couple weeks ago this card and a new percent. The problem is as follows. Turn off the PSU at the time when the computer is not being used, because sometimes the lights blew in the house. And each time after switching on, the computer starts the second time with an error that supposedly the hardware has changed and resets the BIOS. Is necessary at each start to apply the profile settings in the BIOS. Where to dig, how to get rid of it ? Before that it was Asus it was not like this