

Note: you’ll need to log into Windows to perform these steps. Fix 2: Change the display settingsĪs you may know, “ Input Not Supported” by your monitor because of the improper screen resolution, so you can change the screen resolution and refresh rate to fix the problem. In addition, make sure the connection ports are working correctly.

Or you can switch to a new monitor cable. So you should check the monitor cable to make sure it works properly. You may see the ‘ Input Not Supported‘ error if there’s something wrong with the monitor connection.

Here are the solutions that have helped people resolve the error. In addition, your monitor driver issue can result in the error.īut don’t worry. The input is not supported by your monitor because your screen resolution is set to the wrong resolution. Meanwhile, most of the people who are having this problem are using the Acer monitors. This problem happens especially when you’re using multiple monitors. The ‘ Input Not Supported‘ error usually occurs to your computer after booting up, and it happens with a black screen on your computer.

You can fix Input Not Supported error quickly and easily. If you see ‘ Input Not Supported‘ warning floating on your monitor, don’t worry.
