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TestLuma

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No sound on Mac

Most "no sound" problems on a Mac are the wrong output device, often a Bluetooth headset or a display that's still connected.

ตรวจทานเมื่อ 23 ตุลาคม 2569

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ขั้นตอน

  1. 1

    Choose the output device

    Open Control Center and click the arrow next to Sound, or open System Settings › Sound › Output, and choose your speakers or headphones.

  2. 2

    Check volume and mute

    Press the volume-up key and make sure Mute is off in System Settings › Sound.

  3. 3

    Disconnect Bluetooth devices

    If AirPods or a speaker connected in another room, sound may be going there. Turn Bluetooth off briefly to test.

  4. 4

    Check the app's own volume

    Browsers, players and call apps have their own volume and output choices. Check the tab isn't muted.

  5. 5

    Restart

    A restart releases devices that an app has frozen and reloads drivers. It fixes more problems than it should.

ยังใช้ไม่ได้ใช่ไหม

  • Advanced: in Terminal, `sudo killall coreaudiod` restarts the audio system without a full restart.
  • Check **Audio MIDI Setup** (in Applications › Utilities) that the device isn't set to an unusual format.

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