One of these will definitely do the trick
Firestick Not Working? 3 Ways to Reset and Fix Your Amazon Firestick
The Amazon Fire Stick has many features and there are many third-party apps that you can install to extend its functionality. Sometimes, your Fire Stick may not work. You may see a blank screen, have problems streaming content, or the remote to control its features may not work.
Regardless of the issue, there are several ways to fix it if your Amazon Fire Stick is not working.
A very effective method to fix many issues with your Fire Stick is to reboot your stick. This will clear out the temporary files stored on the storage and help you start fresh.
