Updating the Dell BIOS in Linux and Ubuntu environments
If you want to update the system BIOS in a Linux environment, such as Ubuntu, see
Update the Dell BIOS in a Linux or Ubuntu
.
Flashing the BIOS from the F12 One-Time boot menu
Updating your system BIOS using a BIOS update .exe file copied to a FAT32 USB key and booting from the F12 one time boot menu.
BIOS Update
You 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 boot
menu 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 see
if
BIOS 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 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 that is connected to the system.
•
Functional system battery to flash the BIOS.
Perform the following steps to run 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.
3. Select
BIOS Update
using the mouse or arrow keys then press
Enter
.
The
Flash BIOS
opens.
4. Click
Flash from file
.
System setup
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