HI, i need help because my laptop started to exiting every game(like Witcher, LOL, Starcraft...) its like I press Alt+TAB and then it goes to desktop. Game it self works in background then i have to go press icon on task bar or press Alt+TAB to get back in (frustrating). My laptop is ACER V3-771G, 3rd gen i5, geforce gt 650m(last update), ddr3 8gb... os W7? can someone help or do you know someone who had same problems i resolved them... pls