If you are looking to update BIOS data (like a serial number or UUID) after a motherboard replacement, consider these options: Official Acer Support : The safest route is to visit an Acer Service Centre . Community members on the Acer Community Forum
If you have recently replaced the motherboard on your Acer laptop, desktop, or Chromebook, you have likely encountered a frustrating boot screen. Instead of loading Windows, you see a stark black screen with an error message: acer dmi tool link
: Fixes "Serial Number not found" or "To be filled by O.E.M." errors during the boot process. Spiceworks Community Official & Recommended Tools If you are looking to update BIOS data
: Acer officially recommends contacting their Tech Support to have this performed by a technician, as incorrect use can cause system issues. Spiceworks Community Official & Recommended Tools : Acer
If you are an IT professional or a repair shop: