monitor turns off but computer still running

Verify the correct input: Monitors with multiple input options need you to manually select which cable or HDMI port you’re using, like HDMI 1, HDMI 2, DisplayPort, and so on. If they do seem well secured, unplug, and plug them in again just to be sure. 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.

How to use your iPad as a second monitorĪlthough getting no “signal” to your new monitor can be cause for concern, it’s arguably the easiest problem to fix.

If you’ve followed our guide on how to set up multiple monitors and you’re running into difficulties, check out the list below of the most common multi-monitor problems for your desktop PC or laptop and how to fix them in Windows 10. Sometimes, you plug in a second monitor and it doesn’t work at all, or it keeps minimizing your game when you move into it accidentally. Multiple monitors have all sorts of advantages - even over single, enormous ultra-wides - from improving productivity to providing versatility in their placement on your desk.

Monitor turns off but computer still running