What to do if projector duplicate is not working

Milan Stanojevic avatar. By: Milan Stanojevic
7 minute read

Home » What to do if projector duplicate is not working

projector duplicate not working

Some users tend to use their PCs for presentations, however, some of them reported that projector duplicate is not working properly. This can be a problem, but there’s a way to deal with this issue on Windows 10.

Projector duplicate is a great feature for presentations, however, sometimes issues with it can occur. Speaking of issues, here are some common problems that users reported:

  • HDMI duplicate screen not working Windows 10 – If you encounter this problem, you might be able to fix it by ensuring that both displays are using the same resolution.
  • Can extend display but not duplicate – Your built-in graphics can sometimes interfere with your system and cause this problem to appear. To fix the issue, simply disable your built-in graphics.
  • Duplicate monitors not working, screen will not work, display not working Windows 10 – These are various issues that you can encounter, but you should be able to fix them using one of our solutions.
  • HP laptop won’t duplicate screen – This issue is usually caused by your drivers, and in order to fix it, be sure to update your drivers to the latest version and check if that helps.

Projector duplicate feature not working on Windows 10, how to fix it?


  1. Make sure that both monitors are using the same resolution
  2. Disable the built-in graphics
  3. Update your drivers
  4. Use a cable splitter
  5. Use Hardware and Device Troubleshooter
  6. Perform an SFC and DISM scan
  7. Install the latest updates
  8. Perform a System Restore

Solution 1 – Make sure that both monitors are using the same resolution

If you’re unable to use projector duplicate feature on your PC, perhaps the problem is your display resolution. Several users claim that in order to duplicate your screen both monitors need to use the same resolution.

To fix that, you’ll need to adjust the resolution on both monitors and make sure that it matches. Once both monitors are set to use the same resolution, the issue should be resolved and you’ll be able to duplicate your screen without problems.


Solution 2 – Disable the built-in graphics

Many laptops and some PCs have built-in graphics available. According to users, sometimes Intel integrated graphics can cause problems with projector duplicate feature on your PC and prevent you from using it.

To fix the problem, you just have to disable the built-in graphics and check if the problem is resolved. To do that, you can use your graphics card software such as Nvidia Control Panel or Catalyst Control Center.

Alternatively, you can disable your built-in graphics right from Device Manager. To do that, just follow these steps:

  1. Press Windows Key + X to open Win + X menu. Choose Device Manager from the list.
    projector duplicate device manager
  2. Locate your built-in graphics, right-click it and choose Disable device from the menu.
    projector duplicate not working disable device
  3. When the confirmation dialog appears, click Yes.

After doing that, your built-in graphics should be disabled and projector duplicate feature will start working again without any issues.


Solution 3 – Update your drivers

According to users, if projector duplicate feature isn’t working on your Windows 10 PC, the issue might be your drivers. According to users, the DisplayLink port replicator driver was out of date, and that caused this issue to appear.

To fix this problem, you just need to ensure that all your drivers are up to date. To do that, you can visit your laptop manufacturer’s website and download the latest drivers for your model. Once you update all drivers, the issue should be resolved. In addition, users are also suggesting to update your graphics card driver, so be sure to do that as well.

If downloading drivers manually seems a bit tedious or if you don’t know how to do it properly, you can always use tools such as TweakBit Driver Updater. By using this tool you’ll update all your drivers automatically with just a couple of clicks, so be sure to try it out.

Disclaimer: Some features of this tool are not free


Solution 4 – Use cable splitter

This is a crude workaround, but it might help you if you’re having issues with projector duplicate feature. According to users, they managed to fix this issue simply by using a splitter cable. This cable has two ends, and one end goes to your monitor while the other goes to your projector, TV or a second monitor.

After connecting both displays, the same signal will be sent to both of them simultaneously, so you’ll duplicate your display automatically. Bear in mind that this is a crude workaround, but if you don’t manage to fix the problem using other solutions, you can always try this method out.


Solution 5 – Use Hardware and Device Troubleshooter

If you’re having problems with projector duplicate feature, the issue might be related to a minor glitch on your PC. Sometimes your PC or monitor aren’t configured properly, and that can cause this error to appear.

As you may know, Windows comes with various troubleshooters that can fix common problems on your PC automatically. To fix this problem, you need to run Hardware and Devices troubleshooter, and you can do that by following these steps:

  1. Press Windows Key + I to open the Settings app.
  2. When the Settings app opens, head over to the Update & Security section.
  3. Choose Troubleshoot from the menu on the left. In the right pane, select Hardware and Devices and click Run the troubleshooter.
    projector duplicate not working troubleshooter

Once the troubleshooting process is finished, check if the problem is still there.


Solution 6 – Perform an SFC and DISM scan

If you’re having problems with projector duplicate feature, it’s possible that the cause is file corruption. Sometimes your Windows installation can become corrupted, and in order to fix the problem, it’s advised to repair your installation by performing an SFC scan. This is quite simple to do, and you can do it by following these steps:

  1. Start Command Prompt with administrative privileges. To do that, use Windows Key + X shortcut and select Command Prompt (Admin) or PowerShell (Admin).
    projector duplicate device manager
  2. When Command Prompt opens, type sfc /scannow and press Enter to run it.
    sfc projector duplicate
  3. SFC scan will now start. Bear in mind that the scan can take about 15-20 minutes, so don’t interrupt it.

Once the SFC scan is completed, check if the problem is still there. If the issue is still present or if the SFC scan didn’t fix the problem, you should try running DISM scan. To do that, just follow these steps:

  1. Launch Command Prompt as an administrator.
  2. Enter DISM /Online /Cleanup-Image /RestoreHealth command and press Enter to run it.
    DISM project duplicate not working
  3. DISM scan will now start. The scan usually takes about 20 minutes or more, so don’t interrupt it.

Once the DISM scan is finished, check if the problem is still there. If you weren’t able to run SFC scan earlier, try to run it now and check if that solves your problem.


Solution 7 – Install the latest updates

If the projector duplicate feature isn’t working on your Windows 10 PC, it’s possible that your system is out of date. Certain glitches can appear once in a while, and the best way to permanently fix them is to keep your system up to date.

Microsoft is working hard on fixing any new glitches, and if you’re having problems with projector duplicate feature, you might be able to fix them by downloading the latest system updates. Windows 10 usually downloads the missing updates automatically, but you can always check for updates on your own by doing the following:

  1. Open the Settings app. When the Settings app opens, navigate to the Update & Security section.
  2. In the right pane, click Check for updates button.
    updates projector duplicate not working

Windows will now check for available updates and download them automatically in the background. After the updates are downloaded, they will be installed as soon as you restart your PC. Once your system is up to date, check if the problem is still there.


Solution 8 – Perform a System Restore

If problems with projector duplicate feature started appearing recently, you might be able to resolve the issue simply by performing a System Restore. To do that, follow these steps:

  1. Press Windows Key + S and type system restore. Choose Create a restore point from the list.
  2. System Properties window should now appear. Click the System Restore button.
  3. Once the System Restore window opens, click Next.
  4. Enable Show more restore points option, if available. Now select your restore point and click Next.
  5. Follow the instructions on the screen to complete the process.

After you perform System Restore, check if the problem is still there. Keep in mind that System Restore will work only if this problem started appearing recently.

Projector duplicate is a useful feature, but sometimes issues with it can appear. However, we hope that you’ll solve the problem by using one of our solutions.

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