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Step-by-step troubleshooting for hardware that misbehaves, and buying guides built on manufacturer specifications — no sponsored rankings, no invented ratings. Every guide links the free browser test that verifies the result.
Windows 11 shows your Bluetooth headphones connected but silent. Check the output device and volume mixer first, then work through format, pairing, and drivers.
Fix black screens, missing cameras, privacy blocks, driver errors and Zoom/Teams issues on Windows and Mac with 14 ordered fixes.
