So my Roku turns on and controls the power and volume to my tv, but I’ve tried two different hdmi cables and neither has worked. How can I fix this?
I assume it USED to work? Since you have the TV controls working, I assume it must have been working in the past? Are you sure the TV is on the right input? (Often it really is something simple like that – especially if you’re used to using the Roku remote but need to change the input on the TV remote.)
Basic question, but are you sure you are selecting the correct HDMI Input (the one the Roku is plugged) into with your TV remote? (not the Roku remote)
Remember, the Power and Volume on the Roku remote are TV controls (they have no effect on the Roku device.)
In order to "wake up" the Roku device, try pressing the Home button on the Roku remote and see if that gives you a picture. (after selecting the appropriate HDMI Input, of course).