Dellbiosreset.iso -

: Restart the computer and boot from the media to reach a DOS-like command prompt. Executing Commands : Confirm changes by typing y when prompted.

Once the system boots into the DOS-based environment, follow these steps: Confirm Change: When prompted to change the Service Tag, type Enter New Tag: dellbiosreset.iso

On laptops newer than 2012, removing the coin cell battery does not clear the password because passwords are now stored in non-volatile flash memory. On older D620/D630, it sometimes works. On E6440, it never works. : Restart the computer and boot from the