How to perform a Dell Bios password reset?
You can Reset Dell Bios password within Bios setup and there are up to 4 Bios passwords for each Dell Laptop.
Restart the laptop pressing F2 Every second,
Type the provided Dell Bios master password we sent you,
Go to: security
Look for the option: Unlock Setup
Go to: administrator password
Them Reset the password
There will be 3 fields
Type the Bios Master password we sent you in the first field
And leave the other 2 fields Blank!
Click on Save it. do the same to Admin password, System Password and Supervisor Password,
The password should now be removed and the laptop will stop asking for the password on boot.