My TV isn't detected as a Chromecast built-in device or the connection fails during casting

If the TV is not detected as a cast destination, or the connection fails after selecting the TV on the device using Google Cast (Chromecast built-in), refer to the following.

Before you start

• Each of these steps represents a possible solution to this issue, check to see if the issue is resolved after completing each step.
• For Google TV™, the cast function will be invalid if set up with Basic TV mode.
• For how to cast, refer to the article How to use Google Cast on Sony's Google TV or Android TV™
• If you are using Apple AirPlay, refer to the article Apple AirPlay: Displaying content from Apple devices on Google TV or Android TV

Troubleshooting

1. Make sure that your device and the TV are connected to the same home network.
2. Make sure that your device and the TV have the correct time settings.
   Note: To set the date and time of the TV, refer to the article How to adjust the date and time on the TV.
3. Make sure the Google Cast or Google Cast Receiver app is not disabled.
   1. Open the  Settings screen. How to access Settings 
      • If the remote control has a Quick Settings ( or ) button, press the Quick Settings button and select  Settings.
      • If the remote control does not have a Quick Settings ( or ) button, press the HOME button and select  Settings.
   2. The next steps will depend on your TV menu options:
      • Select Apps → See all apps → Show system apps → Google Cast or Google Cast Receiver → Enable. (Android™ 9 or later)
      • Select Apps → Google Cast or Google Cast Receiver → Enable. (Android 8.0 or earlier)
4. Clear data on Cast function apps, Android System WebView, and Google Cast.
   1. Open the  Settings screen. How to access Settings 
      • If the remote control has a Quick Settings ( or ) button, press the Quick Settings button and select  Settings.
      • If the remote control does not have a Quick Settings ( or ) button, press the HOME button and select  Settings.
   2. The next steps will depend on your TV menu options:
      • Select Apps → See all apps → Show system apps → Cast function apps → Clear data → OK. (Android 9 or later)
      • Select Apps → Cast function apps → Clear data → OK. (Android 8.0 or earlier)
      Notes:
      • Do the same for Android System WebView and Google Cast as well.
      • For Cast function apps, refer to the webpage Google Cast - Apps.
5. Reset the TV.
   Note: For how to reset the TV, refer to the article How to restart (reset) a Google TV or Android TV?
6. Restart the device.
   Note: For a mobile device, temporarily turn off the mobile device and wait approximately one minute before turning it back on.
7. Update the TV to the latest software.
   Note: For how to update, refer to the article How to perform a software update
8. Uninstall updates for Android System WebView and Google Cast app.
   1. Open the  Settings screen. How to access Settings 
      • If the remote control has a Quick Settings ( or ) button, press the Quick Settings button and select  Settings.
      • If the remote control does not have a Quick Settings ( or ) button, press the HOME button and select  Settings.
   2. The next steps will depend on your TV menu options:
      • Select Apps → See all apps → Show system apps.
      • Select Apps.
   3. Select Android System WebView and Google Cast, then check if Uninstall updates is shown.
      • If Uninstall updates is not shown, proceed to step 9.
      • If Uninstall updates is shown, select Uninstall updates and OK.
   4. After uninstalling the updates, reset the TV.
9. Install the latest apps for Android System WebView and Google Cast from Google Play Store.
   Note: For manual installation, refer to the following:
   1. Open Google Play Store. The steps will depend on your TV menu options:
      • Select Quick setting → Settings → Apps → See all apps → Show system apps → Google Play Store.
      • Select Apps → Google Play Store.
   2. Refer to the instructions on the webpage How to update the Play Store & apps on Android - Google Play Help.
10. Restart the wireless router. (Unplug the router, and wait approximately one minute before reconnecting the power.)