Troubleshooting hub
Start here if something looks or sounds wrong. These focused hubs group together GadgetGuiders walkthroughs for the most common TV, audio, and HDMI problems in real living rooms.
Pick the area that best matches what you're trying to fix. Each hub links into detailed guides with step-by-step checklists you can follow in a few minutes.
HDMI & cable issues
Fix no-signal errors, ARC/eARC problems, handshake glitches, and other cable headaches between your TV, soundbar/receiver, and devices.
Apple TV picture & sound problems
Sort out washed-out HDR, Dolby Vision quirks, no sound, or lip-sync delays when you're using Apple TV 4K with modern TVs, soundbars, and receivers.
All troubleshooting guides
Browse every GadgetGuiders walkthrough in one list if you're not sure where to start or want to jump straight to a specific device or problem.