Working out what is actually causing your buffering
Most buffering advice is a list of things to try. This is a way to find out which layer is at fault first, so you only fix the thing that is broken.
Hub
Viewing Guides & Troubleshooting
Practical guidance for problems that have a real technical cause. Every guide sets out what is happening before it sets out what to do, so the fix is understandable rather than superstitious.
Latest in Guides
Wi-Fi or Ethernet for streaming: what actually changes
A cable will not make streaming faster in any sense you can perceive. What it changes is variability — and variability, not speed, is what stops playback.
Why a 4K TV plays a service in standard definition
A picture that starts soft and stays soft is a different fault from one that stalls. It is rarely your connection, and adding bandwidth will not move it.
Fixing audio that is out of sync with the picture
Lip-sync error is almost always processing delay, not a broken cable. Knowing which side is late tells you which device is responsible.
What Guides covers
The boundaries of this hub, so it stays a subject rather than a catch-all.
- Playback troubleshooting: buffering, errors, quality drops
- Home network and Wi-Fi factors that affect video
- Casting, screen mirroring and multi-device setups
- Picture and audio configuration on real hardware