Identifier GUID-788E5D66-C463-49A4-AA6C-01C115A999F3Version 1Status ReleasedUpdating the Dell BIOS in Linux and UbuntuenvironmentsIf you want to update the system BIOS in a Linux environment such as Ubuntu, see https://www.dell.com/support/article/sln171755/.Identifier GUID-EF53B1D0-4992-4404-A62A-195FFAEAB184Version 1Status ReleasedFlashing the BIOS from the F12 One-Time bootmenuUpdating your system BIOS using a BIOS update .exe file copied to a FAT32 USB key and booting from the F12 one time boot menu.About this taskBIOS UpdateYou can run the BIOS update file from Windows using a bootable USB key or you can also update the BIOS from the F12 One-Time bootmenu on the system.Most Dell systems built after 2012 have this capability and you can confirm by booting your system to the F12 One-Time Boot Menu to seeif BIOS FLASH UPDATE is listed as a boot option for your system. If the option is listed, then the BIOS supports this BIOS update option.NOTE: Only systems with BIOS Flash Update option in the F12 One-Time Boot Menu can use this function.Updating from the One-Time Boot MenuTo update your BIOS from the F12 One-Time boot menu, you will need:• USB key formatted to the FAT32 file system (key does not have to be bootable)• BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB key• AC power adapter connected to the system• Functional system battery to flash the BIOSPerform the following steps to execute the BIOS update flash process from the F12 menu:CAUTION: Do not power off the system during the BIOS update process. Powering off the system could make thesystem fail to boot.Steps1. From a power off state, insert the USB key where you copied the flash into a USB port of the system .2. Power on the system and press the F12 key to access the One-Time Boot Menu, Highlight BIOS Update using the mouse or arrowkeys then press Enter.52 System setup