Sorry.. Kinda noob question here.... I'm considering maybe dell 15r se for my notebook... Do i need to order from dell direct or can buy at loywat?.. Whats the different?... Tq

Just bought the 15R yesterday... Still wondering how to know on which graphic card this comp using.. Whether intel or amd radeon...? ... And the other thing is... Do i need to keep change which graphic to use.. Can't mantain using one only? ( in this case of course the amd radeon ) ... Tq so much for yur help...