Unlock Bios password on Dell with Primary or Administrator password.

Get Primary or Administrator password to unlock Bios on Dell: Inspiron, Latitude, Alienware, XPS, Precision, Vostro, Venue, Wyse G Series, Studio.

Find here Master passwords to unlock Dell Laptop with: System Disable, Primary or administrator password ending in 2A7B, 3A5B, 595B.

How to reset Bios on Dell Laptop Via Master Password?

Unlocking dell setup page

You can reset Dell Bios Password using a Dell Master Password.
Please Follow this instructions:
Restart the laptop pressing F2 Every second,
Type the provided Dell Master Password we sent you,
Go to: security,
Then: passwords,
Look for the option: Unlock Setup,
Go to: administrator password,
Them Reset the password,
There will be 3 fields,
Type the Master password we sent you in the first field,
And leave the other 2 fields Empty !
Click on Save it,
Password should now be removed and the laptop will stop asking for the password on boot.