You don't say what model tv you have so we can't look it up, but most tvs have buttons controlling the more basic functions like power, volume, channel up/down, and input. Look around the edges, or on the back near the edges where they can still be reached from the front. Otherwise you'll need a remote compatible with the set.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
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