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Remove or reset BIOS password from Windows

Remove or reset BIOS password from Windows

This method works with Acer TravelMate 2490 laptop with Windows 7, but by the included cmospwd.txt works other BIOS versions and PCs or laptops.

Download and extract to a folder this software:
http://www.cgsecurity.org/cmospwd-5.0.zip

Log on to Windows as Administrator priviledges, or run an command prompt with administrating priviledges (Click Start-->Run: type CMD hit Ctr+Shift+Enter)
cd to the extracted directory (e.g. cmospwd-5.0)
then in cmospwd-5.0 cd to windows directory

To work on cmos memory, ioperm need to be installed and running. ioperm gives direct port I/O access for specified ports to user-mode process.

when you are already in e.g. cmospwd-5.0windows directory: type “ioperm.exe –i” hit enter.
to start ioperm service: type “net start ioperm” hit enter.
type: “Cmospwd_win.exe /k” hit enter, we will see:

1 - Kill cmos
2 - Kill cmos (try to keep date and time)
0 - Abort
Choice :

Type 1 and hit Enter to clear cmos or 2 to keep date and time.

Reboot computer and former BIOS password gone.

Available link for download