If the current password is known and the goal is simply to change or remove it, the process is straightforward via the Dell Support Manuals
The Basic Input/Output System (BIOS) acts as the fundamental bridge between a computer's hardware and its operating system. For professional-grade machines like the Dell Latitude 5520 Go to product viewer dialog for this item. dell latitude 5520 bios password reset
If the above methods don't work, you can contact Dell support for assistance. Here's how: If the current password is known and the