On launch the program will first try to decrypt and display a list of possible passwords. PC CMOS Cleaner is a bootable Linux CD so you don’t have to worry about operating system compatibility. Award, American Megatrends (AMI), Compaq, Phoenix, Samsung, IBM, Compaq, DTK, Thinkpad, Sony, Toshiba are all in the list of supported BIOSes so there’s a good chance your BIOS is included. PC CMOS Cleaner is able to recover, remove, decode and display the user or supervisor password stored in the BIOS irrespective of the machine brand. Simply burn the downloaded ISO file to a disc or use one of these ISO to USB tools. Here are some tools which can be used by booting from the relevant CD or USB flash drive. Even if you don’t want it for this purpose, Plop is a great tool to know about for using on older computers. What it does is allow booting from these devices even if the system BIOS doesn’t support the function or the boot order is not accessible. If you can still access Windows, another solution to enable CD/USB booting is using a great tool called Plop Boot Manager. It’s also possible that CD or USB booting could be just below hard drives in the order, in which case you would need to temporarily disconnect the hard drive(s).

When Windows doesn’t boot properly and you cannot get into the BIOS to change the boot order, you could be lucky enough that booting to CD or USB might already be set at a higher priority than booting to Windows and simply inserting a CD or flash drive will boot to it automatically.

How to remove bios password