Use a tool like Rufus or RMPrepUSB to burn the ISO to a USB drive.
It can decode and display many standard BIOS passwords without needing to wipe any data.
Obtain the pccmoscleaner.iso file from a trusted source. pc cmos cleaner download
If you cannot find a working copy of PC CMOS Cleaner, KillCmos or CmosPwd are verified alternatives that perform similar tasks. How to Use PC CMOS Cleaner
Many users find the ISO at UpdateStar or Softag . Use a tool like Rufus or RMPrepUSB to
It supports a wide range of BIOS manufacturers including Award, AMI, Phoenix, and others.
is a specialized, open-source utility designed to reset, recover, or wipe BIOS and CMOS settings, including lost "Power-On" or supervisor passwords. Unlike typical Windows optimization tools, it operates as a bootable environment, allowing you to bypass operating system restrictions and directly interact with your motherboard's firmware. Key Features of PC CMOS Cleaner If you cannot find a working copy of
It is sometimes included in larger bootable toolkits like Parted Magic (pccmoscleaner.txz package).
How to Clear CMOS to Reset BIOS Settings in Systems ... - Intel