The most common way to bypass a forgotten BIOS password on modern Dell laptops is by using a system-generated hash code to retrieve a master "release" password.
Remove the bottom cover of the Latitude 3380. Consult the Latitude 3380 Owner's Manual for specific screw locations. dell latitude 3380 bios password reset
Locate the small coin-cell (CMOS) battery and disconnect its cable from the motherboard. The most common way to bypass a forgotten
Enter the provided "Master Password" into the prompt on your Latitude 3380. dell latitude 3380 bios password reset