Your driver is up to date - if you have a problem with your driver, you can try to re-install the old version as below .
C-Media AC97 Audio Device
5.12.1.51
2006-06-22
2.99 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN10/32bits
C-Media AC97 Audio Device
Others
5.12.1.51
2006-06-22
3.23 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.50
2005-12-15
2.99 MB
2K, XP, 2K3, VISTA, WIN7, WIN8, WIN10/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
Others
6.14.1.4120
2005-08-03
3.07 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
Others
6.14.1.4120
2005-08-03
3.42 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.49
2005-05-20
2.81 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
C-Media AC97 Audio Device
5.12.1.49
2005-05-20
25.16 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
C-Media AC97 Audio Device
5.12.1.49
2005-05-20
25.13 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
C-Media AC97 Audio Device
5.12.1.49
2005-05-20
25.16 MB
2K, XP, 2K3, VISTA, WIN7, WIN8/32bits
C-Media AC97 Audio Device
5.12.1.48
2005-04-12
21.26 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.48
2005-04-12
10.65 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.48
2005-04-12
21.49 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
Others
5.12.1.48
2005-04-12
10.52 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.48
2005-04-12
2.73 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
Others
6.14.1.4100
2005-04-08
4.41 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
6.14.1.4100
2005-04-08
8.11 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
6.14.1.4100
2005-04-08
7.97 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
6.14.1.4100
2005-04-08
8.1 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
6.14.1.4100
2005-04-08
8.1 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
Others
6.14.1.4100
2005-04-08
8.06 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
6.14.1.4100
2005-04-08
91.6 KB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
Others
6.14.1.4090
2005-02-01
3.17 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
Others
6.14.1.4090
2005-02-01
4.97 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
Others
6.14.1.4090
2005-02-01
4.98 MB
2K, XP, 2K3, VISTA, WIN7/32bits
Vinyl AC'97 Codec Combo Driver (WDM)
6.14.1.4090
2005-02-01
90.17 KB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.47
2004-12-13
3.05 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
25.09 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
21.38 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
21.38 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
21.24 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
21.38 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
21.38 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
21.38 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
21.23 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
Others
5.12.1.46
2004-08-26
21.32 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
Others
5.12.1.46
2004-08-26
21.27 MB
2K, XP, 2K3, VISTA, WIN7/32bits
C-Media AC97 Audio Device
5.12.1.46
2004-08-26
40.82 MB
2K, XP, 2K3, VISTA, WIN7/32bits