My Acer x263w displays "No Signal" right in the middle of the screen, unmoving too, when my Win 7 x64 PC is asleep. It is connected to an ATI 5450 chipset video card via HDMI. I have 2 other monitors ...

If your computer turns on without issue, but your computer screen is showing a No Signal message, it could be due to problems in the CMOS, RAM, VGA card, or the cable that connects your CPU to your ...

One of the more frustrating things that could go wrong is when your PC's screen won't turn on. You may find that your fan is working, but there is nothing on your display, or there is just no signal.