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Dell OptiPlex 5055 Ryzen APU Tower Owner's Manual

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System Board Configuration

NOTE:After replacing the system board, please follow these instructions carefully to ensure the new system board is configured correctly
  1. Press F12 to get one time boot menu and select BIOS set up.
    Image 1
  2. Click on Maintenance tab.
    Image 2
  3. Click the service tag.
  4. Enter the service tag and press enter.
    NOTE: Once you exit setup and save changes you will not be allowed to modify the Service Tag.
    Enter serivce tag
  5. Select the option Yes to save the changes.
    Select service tag
  6. Click on maintenance to verify Service Tag on the machine.
    Image 3
    CAUTION:Technicians must input the correct Service Tag and configurations on the first and only attempt. If the Service Tag or any of the configurations are incorrectly entered, then another system board will need to be dispatched and replaced.
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