Category
Troubleshooting issues
31 guides
Cross-device issues like Dolby Atmos not working, handshake failures, and general glitches.
Fix Apple TV 4K Dolby Atmos Sound Drops (Soundbar & Receiver)
Audio Delay on TV: Fix Lip Sync for TV Apps, HDMI Devices, and Soundbars
Denon receiver Protection Mode (Error 7 / protect) ΓÇö common causes and fixes
PS5 4K HDR but no 120Hz/VRR (TV + HDMI settings) ΓÇö fixes
Samsung TV Xbox app streaming quality issues (lag, blurry video, audio sync) — fixes
TCL Roku TV HDR looks washed out or too dark ΓÇö picture settings fixes
Vizio eARC Not Working: Soundbar/Receiver Setup Checklist + Fixes
TV eARC / ARC no sound with receiver - step-by-step troubleshooting
Home theater troubleshooting hub
How to use an HDMI switch without losing HDR or Dolby Vision
Fix Multiple Brands streaming box HDMI and HDR issues
Fix Nvidia gaming console HDMI and 4K/120 issues
Fix Sony gaming console HDMI and 4K/120 issues
Fix Xbox gaming console HDMI and 4K/120 issues
Nvidia Shield: 4K HDR not working - HDMI handshake fixes
Fix Nvidia Shield Pro not sending Dolby Atmos over HDMI
PS5: 4K 120Hz or HDR not working - TV, receiver, and HDMI settings to check
Fix PS5 4K120 and VRR not working on your TV or receiver
Streaming devices vs TV apps: which should you use and why?
Streaming box not showing 4K HDR in some apps: Roku, Fire TV, Apple TV
Fix Xbox Series X 4K120 HDR not working when connected through a receiver
Xbox Series X|S: no 4K, HDR, or 120Hz - fixing HDMI and TV compatibility
Denon receiver: no sound from TV apps (eARC/ARC setup guide)
LG C2/C3 + PS5: 4K 120Hz VRR setup with no blackouts
LG TV audio delay / lip-sync issues: how to fix them
ARC & eARC no sound: quick fixes
Picture & HDR too dark or washed out: quick fixes
Smart TV platform issues: app crashes or missing apps
Streaming buffering and Wi-Fi networking fixes
TV won't turn on: power and hardware checklist
Fix Xbox Series X Dolby Atmos and bitstream audio dropouts with your AVR