7 KB   118,233 downloads
1.0 Freeware    
4.0/5 11
Log into Windows even though you forget or lose your CMOS password with the help of this lightweight but powerful software application

editor's review



KILLCMOS helps you whenever you misplace or just forget the password of your motherboard’s BIOS. It does that by resetting and not totally killing the CMOS (as the title would suggest), thus the mainboard actually loads up with the factory default configuration the next time you boot it up.

Reverting the CMOS to factory settings

The simple idea behind this nifty piece of software is modifying the checksums as well as values of the CMOS, tricking the system to load the defaults and draw a blank where the password was present. While this is only the last resort, you may want to skip the intermediary steps and choose to take this chance.

KILLCMOS can really be very helpful on many occasions such as you forgetting the password after you have deliberately set it, although you didn’t need one or other persons do it for you as a prank. Of course, you can protect your computer from this specific type of people by setting a CMOS password and still misplace it.

Provides aid in various circumstances

Sometimes, CMOS can suffer from an unusual power flux or even viruses, so you don’t have to really forget it in order to be unable to access the BIOS. Situations may vary, but KILLCMOS can save the day and restore your system to a working state.

KILLCMOS is not the tool you want to use on newer hardware though, as its development was drawn to a halt back in 1996, thus it is only safe to say that it can help you with a twenty-year old mainboard installed in your PC, but it may fail on more recent motherboards.

In conclusion

All in all, KILLCMOS is a great hacking tool for fairly-to-truly old mainboards, having an astonishing success rate of execution. While new hardware can be regarded as out of the question, KILLCMOS can provide a few surprises here and there; however, make sure you just can’t get the password elsewhere before resorting to such tools.

KILLCMOS was reviewed by Alexandru Pintilie
Last updated on July 14th, 2014

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