Modern motherboards use UEFI architecture. They no longer store passwords in volatile CMOS RAM powered by a coin battery.
If software tools do not work, manufacturers like ASUS and Intel recommend these physical methods: pc cmos cleaner free download - SourceForge pc cmos cleaner 24 iso download work verified
While "PC CMOS Cleaner" was once a popular utility for resetting BIOS/CMOS passwords, it is an older tool that may not work reliably on modern systems (UEFI/GPT). If you are looking to reset a forgotten password or clear settings, modern hardware and security policies often require alternative methods About PC CMOS Cleaner Original Purpose Modern motherboards use UEFI architecture