Also let me add please that there is no BSOD when the screen freezes. And sometimes when i go for lunch or dinner, I press the windows key and L simultaneously for the logon screen to come. After returning I see that the screen has just hanged. this happened thrice till now. Thanks a lot for your patience.
hi.it is shahin .my computer screen goes off every 15 min when im watching movies.i have to move moser every 15 min to bring the screen back.what should i do to sort this problem.i will be greatefull if you advise me.