How to Change the Serial Number in BIOS on Dell Computers

How to Change the Serial Number in BIOS on Dell Computers

If you have replaced the system board on your Dell computer, you may need to change the serial number in BIOS to match the original one. The serial number, also known as the service tag, is a unique identifier that helps Dell provide support and warranty services for your computer. Changing the serial number in BIOS is not a difficult task, but it requires some steps and precautions. Here is how you can do it:

  1. Turn off your computer and disconnect any external devices, such as keyboards, mice, monitors, etc.
  2. Open the case of your computer and locate the service tag sticker on the chassis. Write down the serial number that is printed on the sticker.
  3. Close the case of your computer and reconnect any external devices.
  4. Turn on your computer and press F2 repeatedly to enter BIOS setup mode.
  5. Press Ctrl+A to enable additional fields in the BIOS menu.
  6. Select Advanced, then System IDs, and enter the serial number from the service tag sticker in the Asset Tag Number and Chassis Serial Number fields.
  7. Press F10 to save the settings and exit BIOS setup mode.
  8. Restart your computer and verify that the serial number in BIOS matches the one on the service tag sticker.

Congratulations! You have successfully changed the serial number in BIOS on your Dell computer. This will help you avoid any issues with warranty or support services from Dell. If you have any questions or problems, you can contact Dell technical support or visit their website for more information.

Why Change the Serial Number in BIOS?

There are some benefits of changing the serial number in BIOS on your Dell computer. For example:

  • It can help you restore your warranty or support services from Dell if you have replaced the system board with a genuine Dell part.
  • It can help you avoid any conflicts or errors with software licensing or activation that may depend on the serial number.
  • It can help you keep track of your inventory or assets if you have multiple Dell computers.

What are the Risks of Changing the Serial Number in BIOS?


Why Change the Serial Number in BIOS?

Changing the serial number in BIOS is not without risks. For example:

  • It can void your warranty or support services from Dell if you have replaced the system board with a non-Dell part or if you have entered an incorrect or invalid serial number.
  • It can cause problems with software licensing or activation if you have entered a serial number that is already in use by another computer.
  • It can expose your computer to security risks if you have entered a serial number that is easy to guess or hack.

Therefore, it is important to change the serial number in BIOS only when necessary and only with a valid and unique serial number that matches the original one on the service tag sticker.

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