can I upgrade my Satellite L305D-S5974 with a better processor and grapics card for gaming? I just got dayz standalone and it hardly runs on my laptop. I am trying to upgrade, I just need to know witch processor and grapics card I should get that will actually fit my laptop & run the game smoothly. a amd sempron si 42 processor, socket s1. and ATI Radeon™ 3100 Graphics Engine. Ideas? Let me know if I need to put game requirments.