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 ...

If you can get the right connector, the monitor will have no problem interpreting a VGA signal. If memory serves, it can do up to 1024x768 at 75 Hz, and might do 1152x870 at 60 Hz.