i bought a latop. it is written that has gt 650m but when i received it (laptop) the device manager is written that is only hd 4000 intel.then i tried to find it but without no results.even in the search of start menu dont recognise nvidia or ge force or even 650m .the seller is telling me to reinstall again .what to do.i am sorry if i make any mistakes on my writen i am very sad and nervous.THANKS