Serial number incorrect and unbale to update old bios

[la7dan]

System: wimdows 10
Battery or AC:
Model:
Frequency of occurrence:
Reset OS:
Screenshot or video:
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Detailed description：I got the SN from this command wmic baseboard get product,Manufacturer,version,serialnumber
Nothing worked when I tried to register my product

[Blake_ASUS]

Hi there,
Which model do you have?
Thank you.