1. The speaker is muted. Click on speaker icon and check it out.
2. A earphone is plugged in, computer automatically mutes speaker.
3. The driver of audio device is corrupted. Reinstall.
4. Less likely, the audio card is broken. Replace or get a cheap USB audio card ($10).
2. A earphone is plugged in, computer automatically mutes speaker.
3. The driver of audio device is corrupted. Reinstall.
4. Less likely, the audio card is broken. Replace or get a cheap USB audio card ($10).
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選擇“don't run on pages on this domain”
