Disable the screensaver.
well my problem is a recent one, recently something awkard has been happening that has never occured before. When I leave the laptop with no use for at least some 5min or so the mouse will still move but everything else will not function, as if the screen would freeze up but not the mouse. If I turn off the laptop and re-start it I can use it perfectly, but again, if I don't use it for a couple of min this problem occurs. Any suggestions? thank you.