Why does sound unusual?

Users questions:Why should I install the sound card driver, restart the normal. Then a normal shutdown, and then opened the sound again and then mounted under an imperative need to work properly and then not been followed after shutdown how the matter? ? ?
Experts answer: sound card driver is not correct. Go to the next the latest drivers installed. Another look at the DX version. IfLess than 9.0. About the proposed upgrade.
  • This information provided by the users.Thanks!