The 3400 sits in a unique generation (8th/9th Gen Intel Whiskey Lake). The BIOS version you run dictates:
This section allows for hardware-level disabling of components, which is useful for data security or saving power. dell latitude 3400 bios
: Copy the BIOS update file to a FAT32-formatted USB drive. Restart the laptop, press F12 , select BIOS Flash Update , and browse for the file on your USB drive to begin the process. Pre-update Checklist : The 3400 sits in a unique generation (8th/9th
Alternatively, from Windows 10/11: