Category
Troubleshooting issues
27 guides
Cross-device issues like Dolby Atmos not working, handshake failures, and general glitches.
Home theater troubleshooting hub
HDMI ARC vs eARC: what’s the real difference?
How to use an HDMI switch without losing HDR or Dolby Vision
Mesh Wi-Fi vs range extender: which gives better coverage?
Fix Multiple Brands streaming box HDMI and HDR issues
Fix Nvidia gaming console HDMI and 4K/120 issues
PS5 won’t output 4K HDR: how to fix it
Fix Sony gaming console HDMI and 4K/120 issues
Wi-Fi drops when the microwave runs: real causes and fixes
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?
Fix streaming box (Roku, Fire TV, Apple TV) not showing 4K HDR in some apps
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