How To Fix Dual Monitor Is Not Extending In Windows 10

One of the many features of Windows 10 is its ability to work with multiple monitors with ease. If your computer has a graphics card that has multiple output ports then you can connect more than one monitor to it. If you constantly work with huge spreadsheets or if you edit videos then chances are your computer will have a dual monitor setup. Although it’s quite easy to use two monitors there are instances when certain issues can occur. In this latest installment of our troubleshooting series we will show you how to fix dual monitor is not extending in Windows 10.

What to do when dual monitor is not working

Having a second monitor will greatly improve your productivity as you will have more screen real estate to run programs. If your second monitor is not working then these are the steps that you need to perform to fix the problem.

Time needed: 5 minutes.

Dual Monitor Is Not Extending

  1. Make sure to select extend on the project menu.

    Press the Windows key + P simultaneously in order to bring up the Project menu. Look for Extend then click on it.dual monitor is not working

  2. Update your graphics card driver.

    Press the Windows key + X key then click on Device Manager. In Device Manager, locate the Display adapter and click on it. Right click on the graphics card then click Update Driver and follow the on-screen instructions.Dual Monitor Is Not Extending

If all of your settings are correct but the second monitor still does not work then proceed with the additional troubleshooting steps listed below.

Try using the Windows detect tool

There’s a possibility that Windows has not detected the monitor yet. You can force the detection of the monitor by right clicking on the desktop then selecting display settings. In the Display Settings window, click the “Detect” button.

Turn the screen off and on again

Your computer might not like hot swapping while a monitor is powered on. Turn the display off and then on again while it is connected to the computer. Check if it is now recognized.

Make sure the cables are secured

A loose cable can sometimes cause this problem so make sure that the connecting on the monitor and graphics card side is secured. If possible try using a different cable to eliminate the possibility of the problem being caused by a faulty cable.

Change graphics port

If your graphics card has multiple output ports then try connecting the monitor to a different port.

Choose the correct monitor input

Certain monitors with multiple input ports need you to select which input port you are using. Your monitor can have a VGA, HDMI DisplayPort, or DVI-D port. You can select the correct port from the monitor menu.

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