If you’re YouTube Not Working On Roku and you are searching its fixes to troubleshoot such errors, then you have to follow a certain procedure. You have to follow various procedures to fix it in the exact order as follows. First, power cycle your Roku by unplugging it, restarting your router, checking for system and app updates, and then reinstalling the YouTube app. However, if following these instructions still creates issues, then you may try the factory reset option of your Roku device. 1.