You updated your RAM and are now experiencing boot problems. The BIOS should be updated, according to the manufacturer's website. What is the simplest approach to accomplish this?

The recommended method for upgrading a BIOS is to flash it. It entails downloading and installing the updated BIOS and flashing software from the vendor. The motherboard must be replaced in the worst-case scenario (or in this case, the RAM, since that is what you upgraded).