In some case YouTube TV Showing Black Screen on TV. Follow the below steps to fix black screen issue on YouTube TV.1. Go to the YouTube TV app2. Then, hold back button down until it takes you the home page.3. Then, go to YouTube TV app and open.1. Fully Close the YouTube TV appStart by fully exiting YouTube TV, then try opening YouTube TV app again.2. Perform a Power CycleUnplug your router or modem wait 10 mint then restart them. Unplug the TV Power cable from the wall and hold the TV Set power switch for 10 sec. and wait for 20 minutes then restart the TV. Now recheck.3. Reset Your Smart TVTo perform a hard reset on Smart TV, you will need to use the remote. Before you begin, unplug your router. Then:a. Press the Menu button on your TV remote.b. Navigate to "System" on the menu and select "OK".c. Select "Reset" and select "OK".d. Select "Reset TV to Factory Defaults" and select "OK".e. Enter your parental lock when prompted.f. Select "Reset" and then "OK".g. Wait until the TV turns off.4. Clear Cache and DataYou can typically clear cache/data via your device's settings menu. This step remove temporary files to help free up needed space.5. Update Your YouTube TV appAs with a system update, it's equally important to keep the YouTube TV app up-to-date as the latest version may be needed to run on your device or to connect to the YouTube servers for streaming media.Update the YouTube TV appa. Select Store from the start screen or the taskbarb. Select the User Icon next to the search box.c. Select Downloads or Updates.d. Select check for updates.e. Select the down arrow on the right to download the YouTube TV update.f. The YouTube TV app will now be downloaded and updated.6. Update your Operating SystemWhether you're using a Smart TV, smartphone, or a tablet, you should always try to keep up-to-date with the latest operating system as some apps will stop working. A system update can also fix any bugs that may be preventing the YouTube TV app from working properly.7. Check your ConnectionRun a speed test on your device and compare your results with our recommendations. https://www.speedtest.net/8. Improve your ConnectionsIf the speed fall short of our recommendations, there are steps you can take to help improve your connection.9. Deactivate/Reactivate your DeviceRemove the device directly from your account page. Afterwards, reactivate your device and try launching YouTube TV app again.10. Uninstall/Reinstall YouTube TV appOn select devices, you can uninstall and reinstall the YouTube TV app to help alleviate any streaming issues.