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User problem description:
The related drivers and settings of computer sound are normal, the speaker is normal, and there is no wrong cable, but there is no sound,
The volume synthesizer of win7 system also displays normally.
Reinstalling the system will not solve the problem of no sound.
Problem analysis:
According to the screenshot of the user,
This is basically a problem with the sound card jack on the motherboard,
That is to say, none of the computer's sockets can be used.
Solution:
The fastest solution is to buy a USB sound card.
Solve the problem of no sound 100%.
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