Sound card can be installed without the sound

Users questions:A few days ago my computer suddenly did not sound, can be found in audio equipment. I reinstall the driver, the system will do. On C-MDIA8378 bought a sound card to use, the result is the same. For the headset can not solve the problem. Who to help me ```````!!!!!! and other hardware conflict-free ``` I am the host of Onda X550, CPUAMD2500 + (64) operating system SP2
Experts answer: to uninstall the current sound card drivers, then reinstall it again, you should be able to solve. Or things inside the computer and removed, and reinstall it again, probably will solve the problem. General computerA long time, prone to poor contact of the situation
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