Re: Cant get roku 3500R to connect to TV - it wont hold connection
Do you have another tv you can connect this to? If so, see if it will boot up and give you a Roku homepage display.
If it does go to Settings > Display type and set it to the resolution of the first tv instead of the "auto" setting. When you get to the countdown screen click on the "yes" option. Now return it to the first tv and see if it works.
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Roku Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X | Roku Streaming Stick 3600