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Looking for information on how to Fix ‘Source not Supported’ issue on Chromecast? Modern Smart TVs include a variety of features, including online streaming and video recording, among others. Screencasting is one of the most prominent features in TVs that users greatly value. Now you can cast anything from the screen of your smartphone or desktop directly onto your TV.
However, not all Smart TVs have this feature, and for those TVs, Google has introduced a Chromecast device. With this Google device, you can cast content over WiFi from your phone or laptop to your television. The Google Chromecast is a streaming device that connects a computer, smartphone, or tablet to an HDMI-equipped HD monitor or television screen. Consequently, an ordinary monitor or television can be transformed into a smart device that can connect to the apps on your smartphone or computer.
The Google Chromecast is preloaded with numerous streaming applications, granting your television access to Amazon Prime, Netflix, etc. However, this device does not always function perfectly. Chromecast may occasionally be unable to detect the source you are attempting to use. And in this article, we will examine how to Fix ‘Source not Supported’ issue on Chromecast. Therefore, without further ado, let’s begin.
What is Chromecast?
Google Chromecast is the name of the digital media player that is currently being designed and is currently in development by Google. Common causes of the Chromecast source not supported error include sporadic bugs in the streaming application, a poor internet connection or low bandwidth, and random issues with the router, mobile device, or computer in use.
It provides users with control over the playback of various types of content that can be accessed on high-definition televisions, as well as the content in its original format. It is possible on Android devices and computers. The error message typically appears whenever the Chromecast device is unable to recognize the source device. There is typically a problem with the Google Chrome web browser, but this is not always the case.
What are the causes of “Source not supported” error?
- Incompatible File Format: One of the most common causes is attempting to open or use a file that is in an unsupported format. For example, trying to play a video file with a media player that doesn’t support the file’s codec can trigger this error.
- Outdated Software or Drivers: Using outdated software or drivers may lead to compatibility issues, resulting in the “Source not supported” error. Ensuring that your software and drivers are up-to-date can help resolve this problem.
- Missing Codecs: Multimedia applications may require specific codecs to decode and play certain file types. If the required codec is missing, the error can occur. Installing the necessary codecs can often fix this issue.
- Unsupported Hardware: Some hardware devices or components may not be compatible with the software or operating system you’re using. In such cases, you might encounter this error when attempting to use the unsupported hardware.
- Corrupted Files: If the source file or data is corrupted or incomplete, it may trigger this error when you try to access it. Verifying the integrity of the source file can help identify and resolve this issue.
- Insufficient System Resources: In some cases, your computer may not have enough resources (e.g., memory, CPU power) to handle the task you’re trying to perform, resulting in the error message.
Fix ‘Source not Supported’ issue on Chromecast
Restart Your Chromecast, Computer, and Wi-Fi Router.

- Turn off the television to which your Chromecast is connected.
- Unplug the Chromecast from the television. Additionally, you must unplug the Chromecast device’s power cord. Unplug the device for at least one minute.
- Great! In a moment, we will return to the Chromecast. Let’s now disable the Wi-Fi router. Now, you must turn off both your internet modem and Wi-Fi router if you are using both. To turn it off, you will need to press the Power button on the modem/router’s box (steps may vary depending on the modem/router you’re using).
- After two minutes, reactivate your modem/router and allow it to restart.
- Now, restart your computer (Windows, Mac, or Linux, depending on its operating system).
- After your computer has restarted, reconnect to Wi-Fi.
- Now turn on the television and reconnect Chromecast to it. Don’t forget to reconnect the Chromecast’s power cable!
- Allow the Chromecast some time to re-configure everything, and then try casting from Chrome again.
Install the Latest Chrome Updates
- Launch Google Chrome and then click the three-dot icon (next to your Google profile picture).
- Select Help and About Google Chrome from the drop-down menu.
- You will be redirected to the About Chrome page, where Chrome will automatically check for available updates. If there are available updates, you will need to download them.
Turn Off All Ad-Blockers and VPN
- Launch Google Chrome and click on the three-dot icon (next to your Google profile picture).
- Click Extensions after selecting More tools from the dropdown menu.
- Now, on the Extensions page, locate the adblocker you’re using and toggle the blue switch beneath the extension to disable it (grey indicates that it’s disabled).
- Restart your browser and try casting to Chromecast again.
Enable the Mirroring Service
- Initiate Google Chrome.
- In the address bar, paste chrome://flags/ and press Enter.
- Inputting mirror into the search box will reveal the mirroring service.
- Expand the adjacent menu and choose Enabled.
Enable the Cast Media Route Provider Option
- Launch the Google Chrome web browser.
- Enter chrome://flags into the address bar and press Enter. Then, press the CTRL and F keys simultaneously to open the Find tool. You may also use the search bar at the top (present in the most recent versions of Chrome).
- Enter Cast Media Route, which we wish to locate, and press Enter.
- Now that “Cast Media Route Provider” is highlighted, you should be able to locate it.
- Click the dropdown menu on the right to ensure that the Enabled option is selected.
- Finally, we must restart Google Chrome for the changes to take effect. To accomplish this, close the search browser by pressing the X (upper-right) and relaunch Google Chrome.
Conclusion
If your TV does not have the cast feature, you can cast your device to your TV using Google Chromecast. However, if you are unable to do so due to the error source not supported, you must take corrective action. In this article, we will demonstrate some efficient solutions. Chromecast allows you to cast your phone or computer to your television. During Chromecast setup, you may see a pop-up window containing the error message: Source not supported.
Questions and Answers
Google has quietly announced that Chromecast (1st generation) will no longer receive support or updates. This means Google’s first streaming device, the key-shaped Nexus Q, will no longer receive software or security updates.
If an HDMI error occurs on your Chromecast with Google TV, try the following: Ensure that the HDMI cable fits securely into the HDMI port on the TV. Try an alternate HDMI input, such as HDMI 1 or HDMI 2. Employ a suitable HDMI extension cable.
There are several possible reasons for this error, and so there are several possible fixes. It could be a browser glitch, a problem with the Chromecast or your network, or a number of other factors, such as incompatible software or disabled settings.
Verify that the TV and the Phone/Tablet/PC or other cast device are connected to the same network. Your mobile device may be linked to your cellular data network. For cast to function, both devices must be on the same Wi-Fi network.