Unplug the power adapter and remove the battery.
CmosPwd is a legacy tool designed to recover CMOS/BIOS passwords. It supports many BIOS types including ACER, AMI, Award, Compaq, , IBM, Phoenix, and Toshiba. It operates by attempting to guess or reveal the stored BIOS password. dell bios password reset tool download new
On the locked Dell screen, type the generated password. Unplug the power adapter and remove the battery
For older Dell laptops (usually before 2016-2017) that show a after three wrong password attempts, the Bios-pw.org generator is the industry standard. How to use it: dell bios password reset tool download new