: Fixing "Invalid Product Information" or "DefaultString" errors that sometimes appear after a firmware update.
This is where dmiedit+520 enters the stage. dmiedit+520
DMIEdit is used by OEMs and technicians to update system-specific information that is often lost during a BIOS flash or motherboard replacement. dmiedit+520
After reboot, check using msinfo32 or run wmic bios get serialnumber in Command Prompt. dmiedit+520