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Dell Precision 5820 Tower Owner's Manual

Updating the BIOS using the USB drive in Windows

  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 the Knowledge Base Resource at www.dell.com/support.
  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.

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