to access the drive and run the update script provided in the ECS download package. Completion

: Never power off or restart the PC during the flash process, as this can permanently brick the motherboard.

Most modern motherboards (UEFI) allow you to update the BIOS directly from within Windows using a .exe file. ECS offered this for the H61H2-MV via their "ECS Easy Flash" utility for Windows.

: Many ECS boards require moving a physical "ME_UNLOCK" jumper on the motherboard to the "Unlock" position before the BIOS can be written.