The BIOS password is stored in non-volatile memory , and on laptops the first solution is to remove the battery and keep pressing the power button for more than five seconds.
This does not work, then the only solution is, CmosPwd. This program works with the following BIOS:
ACER/IBM BIOS
AMI BIOS
AMI WinBIOS 2.5
Award 4.5x/4.6x/6.0
Compaq (1992)
Compaq (New version)
IBM (PS/2, Activa, Thinkpad)
Packard Bell
Phoenix 1.00.09.AC0 (1994), a486 1.03, 1.04, 1.10 A03, 4.05 rev 1.02.943, 4.06 rev 1.13.1107
Phoenix 4 release 6 (User)
Gateway Solo – Phoenix 4.0 release 6
Toshiba
Zenith AMI
Installing CmosPwd
Ubuntu
wget https://launchpad.net/ubuntu/+archive/primary/+files/cmospwd_5.0+dfsg-2_i386.deb sudo gdebi -i cmospwd_5.0+dfsg-2_i386.deb
Windows
For Windows, simply download this binary
Clear the bios password
Ubuntu
CmosPwd /k
Once the program is launched choose option number 2 because it keeps all your BIOS settings.
Windows
Before using the software, it is necessary in administrator mode to launch the command ioperm.exe-i in ms-dos window.
CmosPwd /k
Dell Bios Password Generator
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