Resetting or recovering CMOS/BIOS password usually requires opening the case and removing the BIOS battery manually.  But if you are able to login to Windows then CMOS De-Animator,a free utility, is of much use and you don’t need to perform the manual procdure of removing CMOS battery for resetting or recovering the forgotten CMOS/BIOS password, with a single click CMOS De-Animator reset your CMOS/BIOS upon rebot.

 CMOS De-Animator is a service utility which allows you to invalidate the checksum of your system’s CMOS memory, resetting all settings to default and clearing any stored BIOS passwords (if any) upon re-boot. The main advantage of this utility is, that it can work under every Windows operating system, and no administrator privileges should be normally required. The utility has no GUI – only a confirmation message to begin or exit, error handling messages and a success dialog box upon successful operation. The utility is very portable, no installation required.