The system BIOS may automatically be updated to the latest version after Windows is updated even if the BIOS was rolled back to an older version. … -firmware” program is installed during Windows update. Once this firmware is installed, the system BIOS will be automatically updated with the Windows update as well.

Can a Windows Update change BIOS settings?

Windows 10 can and will directly modify UEFI configs and files. Windows 10 cannot directly alter BIOS firmware.

Can Windows Update affect BIOS?

However, if your motherboard is old enough to use BIOS instead, it might be possible. I would say no, that a Windows Update will not break a motherboard. However if you had a power outage (not entirely clear), then the surge from a power failure could indeed damage the motherboard.