Samsung P560, Service Manual, Page: 169 / 393

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4. Troubleshooting
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8. There is no sound from the speaker
- Check if the sound is muted after booting up Windows.
- Control panel → Sound, Check if the default output is "Speaker".
- Check the connection status of the speaker cable and check if the speaker is out of order.
- Check if there is a magnetic object near the speaker.
- Replace the main board.
9. I cannot hear sound through the headphones
- Check if the sound is muted in Windows.
- Check that the default setting is "Speaker" on Control Panel-Sound-Playback.
- Turn the volume up.
- Check a foreign substance in Headphone jack.
- Replace the main board.
10. Internal MIC or External MIC isn't work.
- Check the sound driver and setting.
Like below picture, Check if the default record device is "MIC" at the Control panel → Sound
- In case of Internal MIC, Check the MIC connection.
- Replace the main board.
11. HDMI port isn’t work correctly.
- Check if Audio and Video driver is installed correctly.
- Check if Display Manager is installed correctly.
- If only sound isn't out, Check the default output device is "HDMI" on Sound information.
- Change Main board.