DMITool.exe /WS 1 NXHJ2SA00123456789A 12345678901

DMITool.exe /SM [Your Serial Number]

DMITool.exe /WS 1 [Your Serial Number] [Your SNID]

Meta Description: Struggling to find a legitimate Acer DMI tool link? Learn what the DMI tool does, why you need it, how to safely download it, and step-by-step instructions to fix your motherboard serial number (SNID) and UUID. Introduction: The "Unknown" Error After a Repair 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: “Serial Number is invalid or not present. Please check DMI information.” Or perhaps the system boots, but Acer Care Center shows blank fields, or your warranty status is no longer recognized. This occurs because new replacement motherboards often come with blank Desktop Management Interface (DMI) data.