Muội muội ơi, bạn vào link sau để tải về nhé:http://www.download.com.vn/click/redirect.aspx?url=http%3a%2f%2fdrivers.softpedia.com%2fprogDownload%2fRealtek-HD-Audio-Codec-Driver-R-Download-34084.html
Hoặc:http://www.download.com.vn/download/get-soft.aspx?myId=5439&myUrl=ftp%3a%2f%2f202.65.194.212%2fpc%2faudio%2fWDM_R169.exe