they keep flashing like they are going to do something. My Home screen same thing. The only way I get to what used to be my home screen is by clicking on the apps at the top of the screen, but I have lost all of my settings and series.
Another common cause for this is the Fire tv not being connected to the internet (it will do that for up to a minute or so before displaying a network connection error message).
A reboot, as suggested above may be all that's needed. If not, reboot your router (even if working fine with other devices). The Fire TV should reconnect to the internet once the router resets, but, if not, follow up by either resetting your wifi connection, if necessary, or another reboot of the Fire TV.
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I'm being extremely clever up here and there's no one standing around looking impressed. What's the point in having you all? - Dr Who