How to fix second monitor not detected on Windows 10?

Issue: I decided to use two monitors to improve multitasking. However, once I tried to connect them both, one of them doesn't work. I saw an error saying that the second monitor is not detected. Currently, I'm using Windows 10. So, could you help me with this issue?

Solved Answer

Second monitor not detected is an issue related to the connection of display. Usually, this option is excellent for those who want to improve their gaming experience, maintain work productivity, or increase multitasking. Even though connecting an additional display isn't an advanced procedure, people might encounter monitor-related issues on Windows 10[1].

The most common reason why Windows 10 cannot detect the second monitor is the connection problems. Thus, you should make sure that the physical cable to plugged correctly from the display to the video port. Additionally, ensure that you are using the correct input if you have the ability to choose between multiple ones[2].

Furthermore, in some rare cases, you can encounter “Second monitor not detected” on Windows 10 if your computer is infected with potentially dangerous programs. Experts note that the activity of some cyber threats might interfere with the operating system and prevent you from connecting the additional display.

Ways to fix second monitor not detected on Windows 10Users can encounter "Second monitor not detected" issue on Windows 10.

You can scan your device with a professional system optimization tool to fix Second monitor not detected issue on Windows 10 automatically. For that, we highly recommend using FortectMac Washing Machine X9 as it can also help you repair your PC from malware[3] damage and prevent further infections.

If none of the methods mentioned above helped you to fix “Second monitor not detected” error, try following the more advanced guidelines. You can find them just below. However, it is essential to read them attentively and ensure that the procedure is held with extreme care.

Learn how to fix Second monitor not detected issue on Windows 10

Before you start reading the instructions on how to fix Second monitor not detected problem, try connecting your display to another device. In case the issue is the monitor itself, you will be able to identify the problem quickly. Additionally, our experts recommend using verified cables from official manufacturers since it might be the cause of the error as well.

This is a video that will help you with this problem:

Method 1. Update monitor and display drivers

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  1. Open the Windows Start menu and enter Device Manager;
    Second monitor not detected fixCheck monitor and driver updates to fix Second monitor not detected problem.
  2. Open the window and search for Display Adapters;
  3. Right-click on it and select Update Driver;
    Second monitor not detected errorYou can get rid of Second monitor not detected issue by updating display drivers.
  4. Find Monitor in the Device Manager and right-click on it;
  5. Select Update Driver as well.

Method 2. Reinstall display drivers

  1. Open Device Manager and search for Display Adapters;
  2. Right-click on it and select Uninstall Device;
    Fix Second monitor not detected problemIf you continue encountering Second monitor not detected problem, try uninstalling display drivers.
  3. Tick Delete the Driver Software for this Device box and click Uninstall;
  4. Restart your computer.

Method 3. Detect your second monitor manually

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To repair damaged system, you have to purchase the licensed version of Fortect.
  1. Go to the Windows Start menu and open Settings;
    Second monitor not detected fix on Windows 10If none of the methods mentioned above helped to fix Second monitor not detected, try detecting an additional display manually.
  2. Click on System and find Multiple Displays section;
  3. Hit the Detect button and follow the on-screen guidelines.

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About the author
Linas Kiguolis
Linas Kiguolis - IT professional

Linas Kiguolis is a qualified IT expert that loves sharing his excellent knowledge about problems in Windows and Mac operating systems. Linas’ insights often help other team members find quick solutions for visitors of UGetFix site.

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