keyboard response

  1. J

    Windows 7 Screen Goes Blank After Inactivity on Dell Studio 450 - Need Help Troubleshooting

    Could anyone help me? After leaving the computer on for a while, the computer seems to be on still (I can hear the sounds coming from the CPU) but the screen goes blank. (The monitor seems to be inactivated.) When I move/click on the mouse and hit the keyboard, there is no response at all. Any...