Dell OptiPlex 5055 Ryzen APU Tower Owners Manual - Page 71

Updating BIOS on systems with BitLocker enabled

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7. Once complete, the system will reboot and the BIOS update process is completed. Updating BIOS on systems with BitLocker enabled CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an unnecessary operating system re-install. For more information on this subject, see Knowledge Article: http:// www.dell.com/support/article/sln153694 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 http://www.dell.com/support/article/ sln171755. 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 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 System setup 71

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7.
Once complete, the system will reboot and the BIOS update process is completed.
Updating BIOS on systems with BitLocker enabled
CAUTION:
If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the
system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an
unnecessary operating system re-install. For more information on this subject, see Knowledge Article:
http://
www.dell.com/support/article/sln153694
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
sln171755
.
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 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
System setup
71