Match motherboard's serial number with notebook's serial no

[Kiran93]

I give my notebook to a store for repair...ND I have doubt if they took my original motherboard with another older one...how can I check if the motherboard is compatible with my notebook or is it original or not?

[Huffer]

There is no serial number register like on a car where you can tell the original part installed at the factory but the motherboard is labeled with a part number and you can tell if that part number is consistent with the original specs. On a laptop it is very unlikely an older motherboard could be swapped in. Motherboards are designed to fit one model or model series laptop. They could have swapped in an inferior lower spec motherboard but you could tell that just from the processor and video chip being different.