Your YouTube might not be working due to several common reasons including server issues on YouTube's side, problems with your internet connection, issues with your device or browser, or account-related problems. Sometimes YouTube undergoes technical difficulties or maintenance that can make the service temporarily unavailable or slow. Additionally, weak or unstable internet connections can prevent videos from loading properly. Device or browser issues such as outdated software, cache buildup, or conflicting browser extensions may also cause YouTube to malfunction. Account issues like login problems or policy restrictions could block access as well. To troubleshoot:

• Check if YouTube is down for everyone using status websites like Downdetector.
• Ensure your internet connection is strong and stable; reset your router if needed.
• Restart your device or app to clear temporary glitches.
• Update the YouTube app and your device's operating system.
• Clear the app cache and data (on mobile devices).
• Disable any browser extensions that might interfere (like ad blockers).
• Confirm you are signed in to the correct YouTube account without restrictions.

By following these steps, you can usually identify and fix the cause of YouTube not working on your device effectively.