CMedia CMI8738/C3DX PCI Audio Device Driver Download

C-Media Drivers

The CMI8738/C3DX PCI 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. Visitors have downloaded this file "" 5,121 times with an aggregate rating of 5 out of 5 stars based on 42 reviews. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 2.7 MB.

42 Ratings (see all reviews)

Supported Models

XWave 7000

CMI8738/C3DX PCI Audio Device



Supported Operating Systems

Windows XP

File Name

Versions (2002-07-16) via .inf

Additional Notes

Only tested with Windows XP. Hope this 'compilation' helps.

Uploaded By

DH (DG Member) on 23-Dec-2003

Ratings & Reviews

See all CMedia CMI8738/C3DX PCI Audio Device ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
XWave7000 CMI8738 WinXP/setup.ini 514 bytes 16 Dec 2003
XWave7000 CMI8738 WinXP/cmaudio.dat 20.3 KB 16 Jul 2002
XWave7000 CMI8738 WinXP/cmaudio.sys 379.9 KB 15 Oct 2002
XWave7000 CMI8738 WinXP/XWave7000.pdf 28.0 KB 30 Jul 2003
XWave7000 CMI8738 WinXP/AUDIO3D.DLL 712.7 KB 23 Nov 2001
XWave7000 CMI8738 WinXP/CRLDS3D.DLL 766.0 KB 20 Oct 2000
XWave7000 CMI8738 WinXP/CMNPROP.DLL 32.8 KB 9 Oct 2002
XWave7000 CMI8738 WinXP/Setup.exe 1.3 MB 21 Aug 2002
XWave7000 CMI8738 WinXP/CMUNINST.EXE 139.3 KB 11 Jul 2002
XWave7000 CMI8738 WinXP/cmijack.dat 36.9 KB 16 Jul 2002
XWave7000 CMI8738 WinXP/MIXER.EXE 1.8 MB 9 Oct 2002
XWave7000 CMI8738 WinXP/CMAUDIO.INF 64.2 KB 16 Jul 2002
XWave7000 CMI8738 WinXP/CMAUDIO.CAT 48.9 KB 16 Oct 2002
XWave7000 CMI8738 WinXP/CMUNINST.DAT 135.2 KB 11 Jul 2002

How to Update CMI8738/C3DX PCI Audio Device Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the CMI8738/C3DX PCI 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 CMI8738/C3DX PCI 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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