笔记本电脑没有声音是怎么回事

There could be several reasons why a laptop may have no sound:

1. Check if the volume is turned down or muted.
2. Make sure the audio drivers are up to date.
3. Check if the audio output device is set correctly.
4. Restart the laptop to see if that resolves the issue.
5. If none of the above work, there may be a hardware issue with the speakers or audio jack.

If the issue persists, it may be best to consult a technician for further assistance.

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