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 see
if 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 Menu
To 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 BIOS
Perform 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 the system fail to
boot.
1
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 Flash Update using the arrow keys
then press
Enter
.
3
The Bios flash menu will open then click the browse button.
System setup
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