Inspiron 16 5620 - for computers with DDR4 memory Service Manual

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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 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, search in the Knowledge Base Resource at www.dell.com/support.

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 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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