Causes of Fire Stick Turning On By Itself 

Other times, this can be a temporary issue resolved by a restart or using a different HDMI port on your TV. It’s also possible there could be an issue with your TV itself or the Fire Stick itself, but these are much less likely causes.

How to Fix Fire Stick Turning On By Itself

A Fire Stick turning on your TV by itself is almost always caused by your device’s HDMI-CEC setting, but regardless, the steps you can take to address this issue don’t take much time or energy to attempt.