Select your USB drive, locate the BIOS file (often ending in extensions like .ROM , .BIN , or .CAP ), and confirm the flash. Method 3: DOS-Based Flashing (For Older Boards)

Download a tool like to create a bootable USB drive running FreeDOS .

Download a tool like to create a bootable USB drive running FreeDOS .

BIOS flashing carries a risk of permanently bricking your motherboard if interrupted. Take these precautions before proceeding: