imma try that memtest thing my laptop is not old, meaby something is wrong with the ram idk but anyways i got my driver working again tks to a dcs support guy, im still with ram issues but only on dcs, i play a lot of arma 3 with a lot of mods (rhs, ace, big maps, retextures, particle fx) all maxed ou in 1080res and not a single problem 40-60 fps and really big missions i also do some 3d work and vid editing on the laptop without a single problem (sorry if my english is bad)