10. Restart the computer and press F12 .
11. Select the USB drive from the One Time Boot Menu.
12. Type the BIOS Setup program filename and press Enter.
The BIOS Update Utility appears.
13. Follow the on-screen instructions to complete the BIOS update.
Updating the BIOS from the One-Time boot menu
You can run the BIOS flash update file from Windows using a bootable USB drive or you can also update the BIOS from
the One-Time boot menu on the computer. To update your computers BIOS, copy the BIOS XXXX.exe file onto a USB drive
formatted with the FAT32 file system. Then, restart your computer and boot from the USB drive using the One-Time Boot
Menu.
About this task
BIOS Update
To confirm if the BIOS Flash Update is listed as a boot option you can boot your computer to the One Time Boot Menu. If the
option is listed, then the BIOS can be updated using this method.
To update your BIOS from the One-Time boot menu, you need the following:
● USB drive formatted to the FAT32 file system (the drive 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 drive
● AC power adapter must be connected to the computer
● A functional computer battery to flash the BIOS
Perform the following steps to update the BIOS from the One-Time boot menu:
CAUTION:
Do not turn off the computer during the BIOS flash update process. The computer may not boot if
you turn off your computer.
Steps
1. Turn off the computer, insert the USB drive that contains the BIOS flash update file.
2. Turn on the computer and press F12 to access the One Time Boot Menu. Select BIOS Update using the mouse or arrow
keys then press Enter.
The flash BIOS menu is displayed.
3. Click Flash from file.
4. Select the external USB device.
5. Select the file and double-click the flash target file, and then click Submit.
6. Click Update BIOS. The computer restarts to flash the BIOS.
7. The computer will restart after the BIOS flash update is completed.
System and setup password
CAUTION: The password features provide a basic level of security for the data on your computer.
CAUTION: Ensure that your computer is locked when it is not in use. Anyone can access the data that is stored
on your computer, when left unattended.
Table 39. System and setup password
Password type Description
System password Password that you must enter to boot to your operating
system.
Setup password Password that you must enter to access and change the BIOS
settings of your computer.
BIOS Setup 89
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