DMITool.exe /SM [Your Serial Number]

The Acer DMI Tool is a useful utility for updating or fixing your Acer device's DMI information. By following the steps outlined in this article, you can easily download, install, and use the Acer DMI Tool to ensure your device's DMI information is accurate and up-to-date. If you encounter any issues during the process, feel free to contact Acer support for further assistance.

If the motherboard was replaced with a genuine Acer part intended for that model, the Windows license is usually stored in the ACPI MSDM table of the BIOS. If the board is blank, you can sometimes use generic tools like RWEverything to read/write the ACPI tables, though this is advanced.