If your TV lacks the built-in casting function, you can utilize Google Chromecast to mirror your device onto your TV. However, if you encounter the error "source not supported" while attempting this, there are steps you can take to resolve the issue. In this article from MiniTool, we will present several practical solutions.

Chromecast Source Not Supported Error!

You can stream your phone or computer content to your TV using Chromecast. During the setup process, you might encounter a pop-up window displaying the error message: Source not supported. Below is an example.

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If you face this problem and are unsure how to eliminate the error, this guide will be beneficial. We will demonstrate some solutions that have been proven effective. Try them out and identify the appropriate one to address your issue.

How to Resolve the Chromecast Source Not Supported Issue?

1. Enable the mirroring service
2. Restart your Chromecast, computer, and Wi-Fi router
3. Disable all ad-blockers and VPNs
4. Enable the Cast Media Route Provider option
5. Update Chrome
6. Perform a factory reset on your Chromecast

Solution 1: Enable the Mirroring Service

If you are unable to mirror your computer's screen to your TV via Chromecast, check if the mirroring service is enabled. It is typically disabled by default and needs to be activated manually.

1. Open Google Chrome.
2. Enter into the address bar and press Enter.
3. Search for the mirroring service.
4. Expand the menu next to it and choose Enabled.

Solution 2: Restart Your Chromecast, Computer, and Wi-Fi Router

Temporary issues in your devices can lead to the Chromecast source not supported error. To rectify these, disconnect your Chromecast from your TV, then restart both your TV and computer. Afterward, attempt to cast your computer again to see if the error is resolved.

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Solution 3: Disable All Ad-Blockers and VPNs

Ad-blockers installed to block ads on your browser (as Chrome extensions) can sometimes cause the Chromecast source not supported error. Disable these extensions and verify if Chromecast works. If the issue remains, also disconnect your computer's VPN: click on the active VPN service and select the Disconnect button.

Solution 4: Enable the Cast Media Route Provider Option

1. Open Chrome.
2. Enter into the address bar and press Enter.
3. Type in the search box and press Enter.
4. Expand the menu next to Cast Media Route Provider and select Enabled.

Solution 5: Update Chrome

1. Open Chrome.
2. Navigate to Settings > About Chrome. Chrome will then automatically check for updates and install the latest version.

Solution 6: Perform a Factory Reset on Your Chromecast

If none of the previous solutions work, consider resetting your Chromecast to its factory settings. This action will erase all data and cannot be undone.

These are the methods to resolve the Chromecast Source Not Supported error. One of them should suit your situation. If you have additional effective fixes, feel free to share them in the comments.

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