Windows monitor connections
Verify cable connections: A loose cable can cause “no signal” errors more often than any other problem. That may be all it needs to recognize the video feed and start displaying it correctly. Turn the screen off and on: Some connection types don’t like hot swapping while a different monitor is powered on. In the following window, click the Detect button located under the display diagram. To force it to check again, right-click the desktop and select Display Settings from the resulting pop-up menu.
There are several reasons why this happens and plenty of fixes you can try to sort it out.įorce Windows to detect your monitor: Maybe Windows didn’t recognize your second display’s connection. It simply means that the display has power, but it isn’t receiving visual data.