How To Fix Second Monitor Not Detected Issue. In this article, you will read why Windows 10 not detecting the second monitor and how to fix the error second monitor not detected in Windows 10.
Two monitor setups have many advantages. You can boost productivity, enjoy videos while working, or read the live chat while streaming. Many users have reported the issue that a second monitor is not detected. Read the article to troubleshoot this method.
Why Windows 10 Not Detecting Second Monitor?
This error can occur due to various reasons like software and hardware issues. Some of them are:
1.Monitor or graphics drivers can be outdated or corrupted.
2.Correct display mode may not be selected.
3.Second monitor isn’t connected properly.
4.Refresh rate of both the monitor is not the same.
5.Refresh rate of both the monitor.
How To Fix Second Monitor Not Detected Issue?
Method 1 – Check The Second Monitor:
The first and foremost thing that you have to do is to check the second monitor that if it is broken or not. Connect the monitor to another system to check if it is giving an error there. If the monitor is not broken and does not give any error, then try out the next solution.
Method 2 – Change The Display Project Mode:
Windows not detecting a second monitor issue can also occur when a wrong display project mode is selected. To change the display project mode:
1.Press the Windows + P keys on your keyboard to open the display project mode menu.
2.To duplicate the same screen on both monitors, you can select the Duplicate option.
3.To increase the display of Windows 10 over both monitors, you can select the Duplicate option.
4.Check if the issue is fixed or not.
Method 3 – Check The Drivers:
Outdated graphics drivers are known to create this type of issue. To update your graphics drivers:
1.Press the Windows + R keys to open the Run utility.
2.Type devmgmt.msc
3.Press Enter to open the Device Manager.
4.Expand the Display adapters.
5.Right-click on the graphics driver.
6.Select the Update driver option from the right-context menu.
7.Click on the Search automatically for updated driver software option.
8.Follow the instructions on your screen.
9.When the update gets finished, restart your computer.
If you have already updated the driver, but still facing the issue, then try rollbacking to the earlier driver version. To do so:
1.Open the Device Manager again.
2.Expand the Display adapters.
3.Right-click on the graphics driver.
4.Select the Properties.
5.This will open the Properties dialog of the driver.
6.Click on the Driver tab.
7.Select the Rollback driver option.
8.Follow the instructions to complete the process.
9.Then restart the computer.
Method 4 – Manually Detect Monitor From Settings App:
When you plug in a second computer, Windows 10 automatically detect it. If it does not do so then try to detect the second monitor from the Settings app. To do so:
1.Right-click on the Start button.
2.Select the Settings option from the pop-up menu.
3.Click on the System option after the Settings app opens.
4.The, select the Display option.
5.Locate the Multiple Displays section.
6.Click on the Detect option under it.
Method 5 – Set The Same Refresh Rate On Both Monitors:
Setting the refresh rate the same for both monitors can fix this error. For example, if monitor 1 has a refresh rate of 60 and monitor 2 has a 90 refresh rate, then set the monitor 1 refresh rate to 90. To do so:
1.Open the Display settings again.
2.Click on the Advanced display settings option in the Multiple Displays section.
3.Then, click on the Display adapter properties for Display 1.
4.Then, elect the Monitor tab on the pop-up dialog.
5.In the Monitor Settings section, click on the Screen refresh rate drop-down menu.
6.Select the appropriate refresh rate.
7.Finally, click on Apply and OK to save the changes.
Method 6 – Check The Wire Connection:
If none of the methods given above have worked, then check the hardware-related issues. Check your monitor, if it is damaged or not. Check that the HDMI cable is connected properly or isn’t torn from anywhere.