Windows 10 fails to detect the Second Monitor

The ‘Second Monitor’ is used for better multi-tasking experience and boosting the productivity of the operating system. But, sometimes, the user’s complaint about ‘Windows 10 fails to detect the Second Monitor’ in spite of having a good and secured connection between the external display’ and computer.

However, in this situation you need not have to worry about it, because using few fixes like, hardware troubleshooting, manually detecting the monitor, and updating drivers; you can fix your ‘Windows not detecting second monitor’ issue. So, let’s get started without wasting any further minute:

Method 1: Hardware Troubleshooting:

It is advisable to do Hardware troubleshooting before directly updating drivers and modifying device settings because what might be preventing you from using your second monitor is sometimes, not the software issue but just a simple connection problem. So, you have to thoroughly check it using these below-mentioned steps:

  • Check whether the cable connections from the display to the video port on your device, whether it has any issues or not.
  • Make sure that you are not using a bad cable connector. If yes then try to change it in order to see if it helps you to fix the issue or not.
  • Try changing/switching the monitor input because as your monitor has many input points, it might be possible that you selected the wrong one. So, choose the right one and check whether it helps or not.
  • It might be possible that out-dated firmware is causing bugs and compatibility issues with your second monitor. So, try acquiring the latest firmware to fix the error.
  • It may be due to the display problem of your old PC, laptop or computer; therefore, try connecting your second display to some other device.
  • Also, give it a try by restarting your device to help yourself resolve the ‘Second Display not detecting’ error.

Now, once done with these steps, if you’re still not able to detect and solve the error, then it’s time to use some advanced methods to finally fix” “Windows 10 can’t detect second monitor error”.

 Method 2: Update Graphics Drivers:

As stated above, sometimes due to the corrupted or out-dated version of Graphics Drivers also leads to “Windows 10 not detecting the second monitor issue.” Therefore, updating the out-dated Graphic Drivers manually through ‘Device Manager’ can help you solve the issue easily. And, to do so follow the below-given steps:

  • You need to go to the ‘Taskbar’ and there you have to right-click on the ‘Windows icon’.
  • Then in that, click on the ‘Device Manager’ for the available list of options.
  • After that, you have to look for the category of ‘Display Adapters’ in order to expand its contents.
  • Then simply click right on the device in order to choose the ‘Update Driver’ option.

update driver device manager windows 10

  • In that, look for the option ‘Search automatically for updated driver software’ and then click on it.

windows update graphics driver update

  • This way your Graphic Drivers will get updated and then just restart your system in order to ensure that whether your device now detects the second monitor or not.

And, in case the new and update drivers won’t able to help you how to fix the “Windows 10 cannot detect the second monitor” error, you can also try to fix it again by rolling back to your previous Graphics Drivers.

If not this, you can also opt to re-install the Graphic Drivers by going to the ‘Device Manager’ and clicking right on the option ‘Uninstall Drivers’ instead of choosing ‘Update Drivers’ option. Then restart your system and follow the steps again to open the ‘Device Manager’ in order to select the ‘Scan for Hardware changes’ option to finally fix the error.

Method 3: Use Graphics Drivers Previous Version:

Instead of updating your Graphic drivers, if you see a yellow exclamation mark in the adapter, then in the situation, it is suggested to use your ‘Graphics Driver’s‘ previous version. To do so:

  1. You need to press and hold together ‘Windows key + X’ shortcut using your keyboard.
  2. Doing this will open a ‘Windows Mobility Centre’ and in that select the ‘Device Manager’ from the available options.
  3. Then after that, you have to look for ‘Display Adapters’ in order to expand its contents.
  4. From the expanded contents, click right on the device in order to choose its ‘Properties’.
  5. Then go to the ‘Drivers’ tab to finally click on the option of ‘Roll Back Driver’.
  6. After that, you have to mention the reason why you want to use your old version drivers.
  7. Once done with that, simply click on ‘Yes’ to use your old ‘Graphic Drivers‘ version to fix the error.

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