Vostro 5402 Service Manual

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Flashing the BIOS

About this task

It is recommended to flash the BIOS when an update is available or when you replace the system board. To flash the BIOS:

Steps

  1. Turn on your computer.
  2. Go to Dell Support Site.
  3. Click Product support, enter the Service Tag of your computer, and then click Submit.
    NOTE: If you do not have the Service Tag, use the Autodefect feature or manually browse for your computer model.
  4. Click Drivers & downloads > Find it myself.
  5. Select the operating system installed on your computer.
  6. Scroll down the page, and expand BIOS.
  7. Click Download to download the latest version of the BIOS for your computer.
  8. After the download is complete, navigate to the folder where you saved the BIOS update file.
  9. Double-click the BIOS update file icon, and follow the instructions on the screen.

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