Help getting started with Roku devices, including setup, connecting your device to your TV, linking a Roku device to your account at my.roku.com/link, adding channels, subscribing to services, and more.
HDMI CEC is short for Consumer Electronics Control. (Essentially allows you to control multiple HDMI connected devices with a single remote). Depends on the remote as to extent of features. Different manufacturers have different names for their CEC (generic name) feature.
In general, answers cannot be explained fully each time so a browser search engine (Google or the like) is helpful if you come across a term in forums like these that you may not understand. Sometimes have to pull from multiple sources to get a complete picture, or post a follow-up for more clarification. Many users that stop by here are just looking for the "fix" and not really the info/sausage behind the fix.
Roku Community Streaming Expert Just another Roku user... I am not a Roku employee.