What causes "Webex Microphone Not Working (Others Can't Hear You)"?

Muted in Webex or on the headset itself Wrong microphone selected Windows or macOS privacy settings block microphone access Another calling app holds the microphone Bluetooth or USB headset reconnected as a different device

How do I fix "Webex Microphone Not Working (Others Can't Hear You)"?

1. Unmute in Webex and on the headset: Check the Mute button; red with a line means you're muted Check any physical mute switch on the headset or inline cable 2. Select the right microphone: Click the arrow next to Mute and open audio settings Choose your headset or mic under Microphone Speak and watch the level meter move 3. Allow microphone access (Windows): Open Settings > Privacy & security > Microphone Turn on Microphone access and Let desktop apps access your microphone Restart Webex 4. Allow microphone access (Mac): Open System Settings > Privacy & Security > Microphone Turn on Webex Quit Webex with Cmd+Q and reopen it 5. Close other calling apps and rejoin: Quit Teams, Zoom, Slack huddles Leave and rejoin the Webex meeting Reboot if the device still doesn't respond

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Webex Microphone Not Working (Others Can't Hear You)

Workaround available Windows, Mac Updated October 21, 2026

Quick answer

When others can't hear you in Webex, you are usually muted, the wrong microphone is selected, or the OS is blocking microphone access. Unmute, pick the mic in Webex audio settings, and allow microphone access for Webex.

Most likely fix: Unmute in Webex and on the headset.

Symptoms

Your mic level bar doesn't move, participants say they can't hear you, or the mic icon stays red.

Why it happens

Muted in Webex or on the headset itself
Wrong microphone selected
Windows or macOS privacy settings block microphone access
Another calling app holds the microphone
Bluetooth or USB headset reconnected as a different device

How to fix it

Try these in order — the most common fix is first.

1. Unmute in Webex and on the headset
1. Check the Mute button; red with a line means you're muted
2. Check any physical mute switch on the headset or inline cable
2. Select the right microphone
1. Click the arrow next to Mute and open audio settings
2. Choose your headset or mic under Microphone
3. Speak and watch the level meter move
3. Allow microphone access (Windows)
1. Open Settings > Privacy & security > Microphone
2. Turn on Microphone access and Let desktop apps access your microphone
3. Restart Webex
4. Allow microphone access (Mac)
1. Open System Settings > Privacy & Security > Microphone
2. Turn on Webex
3. Quit Webex with Cmd+Q and reopen it
5. Close other calling apps and rejoin
1. Quit Teams, Zoom, Slack huddles
2. Leave and rejoin the Webex meeting
3. Reboot if the device still doesn't respond

This guide also covers

webex microphone not working
others can't hear me on webex
webex mic not working
webex mic not detected

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