One common problem is related to the following error message – “Your PC can’t project to a second screen. Try reinstalling the driver or using a different video card.“ This error message affects all Windows versions. You can go to MiniTool to find the methods.

A common problem is related to the following message or alert: "Your PC cannot project to the second screen. Try to reinstall the driver or use another video card."  This error message affects all Windows versions.

How to Fix Your PC Can’t Project to Another Screen?

What causes this error message to occur? You can follow the guidelines below to find out there. I will explain to you why your PC cannot project to another screen. I will also introduce how to fix it.

Fix 1: Reinstall Your Video Drivers

Your drivers are outdated after updating to Windows 10, and you need to apply compatible updates with the new system. So, you need to uninstall the video drivers and reinstall them. Here are the steps.

Step 1: You need to open Device Manager, then navigate to Display adapters.

Step 2: Right-click your display adapter driver, and select Uninstall.

Step 3: Wait for the process to complete.

Step 4: Click the Action tab, and select Scan for hardware changes.

Then you can download the latest drivers directly from your manufacturer’s website. After you reinstall them, you can check if your PC still can’t project to another screen Windows 10.

Fix 2: Check the Cables You Are Using

In some cases, Windows 10 isn’t supporting analog cables for second monitors that are hooked up. And this situation can cause your PC can’t project to another screen. Thus, you need to check the cables you are using for establishing your connection with your external monitors.

Fix 3: Run the Hardware and Devices Troubleshooter

Then you can use the Windows built-in tool – troubleshooter to fix your hardware. You can follow the steps:

Step 1: Type Troubleshooting in the Search box and select Troubleshoot.

open Troubleshoot

Step 2: Select the Hardware and Devices option from the list.

Step 3: Click Run the troubleshooter.

Fix 4: Run SFC

You may not be able to link your Windows computer to your projector because of system corruption issues. You need to run an SFC scan to fix the issue. Here is how to do it:

Step 1: Input Command Prompt in the search bar and right-click it to choose Run as administrator.

Step 2: Type the following cmd and press Enter.

sfc /scannow

type the command

After the verification is 100% completed, you can check the scan results to see if there are some errors found. If some errors are found, you may run the SFC command several times to fix them. Then you can check if the “your PC cannot project to another screen” issue is fixed.

Fix 5: Clean Boot Your Computer

Sometimes, various applications and programs may interfere with your projector, preventing your computer from connecting to it. Then you can try to clean boot your computer. Here’s how to do that:

Step 1:Type msconfig in the search box.

Step 2: Click System Configuration > go to the Services tab > check the Hide all Microsoft services box > click Disable all.

Step 3: Go to the Startup tab > Open Task Manager.

Step 4: Right-click each startup item > click Disable.

Then Close Task Manager and restart the computer to check if the “your PC can’t project to another screen” error has been fixed.

Fix 6: Use a Different User Account

If you’re using a multiple account computer, keep in mind that not all the user accounts available on the respective machine may have access or permission to project to another screen. Maybe using a different user account can fix your problem, read this post - How to Switch Users on Windows 10 Without Logging off.

Final Words

Now almost all the possible fixes are introduced here. If you encounter the “your PC can’t project to another screen” error, just try these methods above to get out of the trouble.

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