Dell will provide a unique release code. Enter this at the prompt and press Ctrl + Enter to unlock the BIOS. 2. Using Community Tools (BIOS-PW)
The site generates a "Master Password" based on your serial number. dell bios password reset tool download
Dell has warned about unauthorized tools that exploit vulnerabilities in select BIOS versions, such as those using the InsydeH2O framework. Dell will provide a unique release code
Enter a wrong password 3-5 times until a system disabled screen appears with an alphanumeric "System Number" or "Service Tag". dell bios password reset tool download
How to Reset, Remove, or Recover BIOS Passwords | Dell India