Dell 14 Plus 2-in-1 DB04255 Owner's Manual

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Updating the BIOS in Windows

About this task

CAUTION:If BitLocker is not suspended before updating the BIOS, the BitLocker key is not recognized the next time you reboot the computer. You will then be prompted to enter the recovery key to proceed, and the computer displays a prompt for the recovery key on each reboot. Failure to provide the recovery key can result in data loss or an operating system reinstall. For more information, see the Knowledge Base Resource Updating the BIOS on Dell systems with BitLocker enabled.
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. Go to Dell Support Site.
  2. Go to Identify your product or ask 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, click Detect This PC. The site automatically detects your device, and you can then click Explore Product Support to go to the support page for your device. You can also use the product ID or manually browse for your computer model.
  3. Click Drivers & Downloads.
  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, navigate to the folder where the BIOS update file has been saved.
  8. Double-click the BIOS update file and follow the on-screen instructions.
    For more information, search in the Knowledge Base Resource at Dell Support Site.

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