Bios update

I faced a problem with power circuit and the technical fixed it then  the system asked to update the bios version, after updating the bios a critical error message appears every time while opening the laptop says that there are a problem with processor fan and it failed to respond correctly, Also the device temperature is accelerated.

We checked the fan and it works efficiently also we replaced it with new one but the error message still appears.

May it because a bug in bios update?