Please follow the steps below to unlock the BIOS, and then use the USB to boot.
Step 1: F2 to enter the BIOS, click Unlock to display the following interface, record the System Number.
Step 2: Visit https://bios-pw.org/ and enter the serial number of the computer to obtain the password to unlock the BIOS.
Step 3: Click Security under BIOS settings, and then click System Password to set a temporary password.
Step 4: After the laptop restarts, enter the Dell from serial number obtained in the second step into the password box, click Ctrl+Enter, and then re-enter the BIOS. You can click Restore Settings to reset or change the Admin Password yourself.
At this point, the BIOS has been unlocked.
At this point, the BIOS has been unlocked.
If you start our software and find that the system cannot be scanned. You can try this additional step: Click Security under BIOS settings, then find HDD Password or M.2 Password, set the password to empty, save and restart.