Hi, i have some problem here.. My pc was running fine, and after i plugged in my iphone to charge at usb, it comes out blue screen, not enuf memory sumtin, u know like when yer ram rosak.. So i tried to switch places for my ram, n try to switch it on again, right at the windows startup, it crashes again.. So i tried another soluion, by changing another ram juz to check, but the pc is on, but it stays black screen.. Can anyone help pls..