Troubleshooting
Use evidence before changing things.
Start with a neutral DeviceOK test when possible. Passing or failing outside the affected app changes which cause should be investigated next.
Microphone
19 verified pathsSymptoms and diagnostic paths
Microphone Not Workingthe microphone does not work at all→Microphone Not Detectedthe browser or app cannot find the microphone→Microphone Detected but No Soundthe microphone is listed but no audio signal is received→Microphone Too Quietyour voice is detected but the level is much lower than expected→Microphone Too Loudthe microphone input is consistently too strong→Microphone Clipping or Distortingspeech peaks are distorted or clipped→Microphone Static Noisethe microphone has crackling or static noise→Microphone Buzzing or Hummingthe microphone has a steady buzz or hum→Microphone Echoother people hear an echo or repeated audio→Microphone Keeps Cutting Outthe microphone signal drops intermittently→USB Microphone Not Workinga USB microphone is connected but not working correctly→Bluetooth Microphone Not Workinga Bluetooth microphone/headset is connected but input is not working→Headset Microphone Not Workingheadset audio works but its microphone does not→Microphone Not Working in Windows 11Windows privacy/device settings can block a microphone even when the hardware is connected.→Chrome Microphone Permission Not WorkingChrome site permissions can block microphone access independently of the microphone hardware.→Discord Microphone Not WorkingIf a mic works in DeviceOK but not Discord, prioritize Discord input selection, permissions, and voice configuration.→Zoom Microphone Not WorkingA microphone that works in DeviceOK but fails in Zoom usually points to Zoom selection/permission/routing before hardware failure.→Microphone Works in Browser but Not DiscordA successful DeviceOK mic test makes complete microphone failure less likely; focus on Discord input selection and app permissions.→Microphone Permission Deniedcamera/microphone access was denied at browser or operating-system level→