CMedia C-Media AC97 Audio Device Driver Download

C-Media Drivers

The C-Media AC97 Audio Device is an audio device manufactured by C-Media. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This version of "" has been downloaded 478 times with a user rating of 4 out of 5 stars, based on 13 reviews. The uploader reports that this update will work successfully on PCs running Windows XP. The total disk space used for this update is 4.1 MB.

13 Ratings

Supported Models


C-Media AC97 Audio Device



Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name


SIS 650 (27-Aug-2003) (2003-10-24) via .inf (2003-11-04) via .inf

Additional Notes

This is also the driver for the SIS 650 onboard

Uploaded By

Angel Brooks (DG Member) on 30-Jan-2006

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
AUDIO3D.DLL 712.7 KB 23 Nov 2001
CM5451.INF 10.8 KB 4 Nov 2003
CM5455.INF 11.6 KB 4 Nov 2003
CMCOMM.INF 13.5 KB 24 Oct 2003
CMICHX.INF 42.6 KB 4 Nov 2003
CMICNFG.CPL 2.3 MB 14 Oct 2003
CMIDS3D.DLL 917.5 KB 29 Apr 2002
CMIRMDRV.DLL 28.7 KB 18 Feb 2003
CMIRMDRV.EXE 233.5 KB 20 Aug 2003
CMNVDA.INF 13.2 KB 4 Nov 2003
CMSIS.INF 32.9 KB 4 Nov 2003
CMUDA.CAT 137.6 KB 12 Nov 2003
CMUDA.DLL 118.8 KB 3 Nov 2003
CMUDA.INF 12.2 KB 4 Nov 2003
CMUDA.SYS 755.4 KB 6 Nov 2003
CMVIA.INF 30.7 KB 4 Nov 2003
MESetup.dat 1.3 MB 27 Aug 2003
SMWIZARD.EXE 1.5 MB 15 Oct 2003
Setup.exe 868.4 KB 27 Aug 2003
UDAPROP.DLL 32.8 KB 24 Apr 2003
W2KSetup.dat 1.3 MB 27 Aug 2003
cmiainfo.sys 3.4 KB 27 Aug 2003
setup.ini 678 bytes 2 Apr 2003

How to Update C-Media AC97 Audio Device Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the C-Media AC97 Audio Device driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter CMedia C-Media AC97 Audio Device into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the CMedia Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the CMedia website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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