Steps
1. Go to Dell Support Site.
2. Click Product support. In the Search support box, enter the Service Tag of your computer, 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. After the download is complete, browse the folder where you saved the BIOS update file.
8. Double-click the BIOS update file icon and follow the on-screen instructions.
For more information, search in the Knowledge Base Resource at Dell Support Site.
Updating the BIOS using the USB drive in Windows
About this task
CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the computer it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress, and the
computer 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 reinstall. For more information about this subject, search in the Knowledge Base
Resource at Dell Support Site.
Steps
1. Follow the procedure from step 1 to step 6 in Updating the BIOS in Windows to download the latest BIOS setup program file.
2. Create a bootable USB drive. For more information, search in the Knowledge Base Resource at Dell Support Site.
3. Copy the BIOS setup program file to the bootable USB drive.
4. Connect the bootable USB drive to the computer that needs the BIOS update.
5. Restart the computer and press F12 .
6. Select the USB drive from the One Time Boot Menu.
7. Type the BIOS setup program filename and press Enter.
The BIOS Update Utility appears.
8. Follow the on-screen instructions to complete the BIOS update.
Updating the BIOS from the One-Time boot menu
Update your computer BIOS using the BIOS XXXX.exe file that is copied to a FAT32 USB drive and booting from the One-Time
boot menu.
About this task
CAUTION:
If BitLocker is not suspended before updating the BIOS, the next time you reboot the computer it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress, and the
computer 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 reinstall. For more information about this subject, search in the Knowledge Base
Resource at Dell Support Site.
BIOS Update
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.
You can confirm by booting your computer to the One Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot
option . If the option is listed, then the BIOS can be updated using this method..
BIOS Setup
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