Bluetooth headphones that once paired flawlessly can suddenly refuse to connect, play no audio, drop in and out, or switch to a tinny mono voice channel on Windows 10 — this feature article explains why that happens, how to diagnose the problem step by step, and which fixes actually work for the most common and the most stubborn cases.
Background / Overview
Bluetooth is the short‑range wireless backbone for headphones, earbuds, speakers, keyboards and mice. On Windows machines the Bluetooth...