8. Double-click the BIOS update file icon and follow the on-screen instructions.
For more information about how to update the system BIOS, search in the Knowledge Base Resource at Dell Support Site.
Updating the BIOS using the USB drive in Windows
Steps
1. Go to Dell Support Site.
2. Go to Identify your product or search support. In the box, enter the product identifier, model, service request or describe what
you are looking for, and then click Search.
NOTE: If you do not have the Service Tag, use the SupportAssist to automatically identify your computer. You can also use
the product ID or manually browse for your computer model.
3. Click Drivers & Downloads. Expand Find drivers.
4. Select the operating system installed on your computer.
5. In the Category drop-down list, select BIOS.
6. Select the latest version of BIOS, and click Download to download the BIOS file for your computer.
7. Create a bootable USB drive. For more information, search the Knowledge Base Resource at Dell Support Site.
8. Copy the BIOS Setup program file to the bootable USB drive.
9. Connect the bootable USB drive to the computer that needs the BIOS update.
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.
160 BIOS Setup
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