Why does the Windows 7 system of Acer notebook have no sound when booting?

When there is no system prompt sound when the Windows 7 system is turned on, but there is sound when playing MP3, it may be due to a problem with the sound scheme setting. You can learn how to set it up through this article.

The specific operations are as follows:

1. Click the control panel in the start to enter:

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 2. Click Hardware and Sound:

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 3. Click Change System Sound in Sound:

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4. If the sound scheme is set to silent, it means there is no system prompt sound. You can set other sound schemes in the list:

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