When you run these commands “wmic bios get serialnumber” and “Wmic computersystem get model” as shown in the diagram below
It will output the Model number in some cases and in other cases it will not.
For this case – change “To be filled by O.E.M.” to our real Serial Number
We can see the commands did not work
Is to run,
wmic baseboard get product,Manufacturer,version,serialnumber
from the command line (CMD)