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 ...
To detect a second monitor manually on Windows 10, use these steps: Open Settings. Click on System. Click the Detect button to connect to the external monitor under the "Multiple displays" section.
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