The AC97 is an audio device manufactured by RealTek. This driver fixes problems with no sound or static or distorted sound, and can unlock advanced features of your audio device. This driver - "Realtek_Sound.exe" - has been downloaded 354,555 times and is rated 5 out of 5 stars based on 1,854 reviews. It has been installed successfully by our users on PCs running Windows 8, Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 19.5 MB.
Realtek AC'97 Audio
Realtek AC'97 Audio for VIA (R) Audio Controller
Realtek AC97 Audio
Realtek AC97 Audio for VIA (R) Audio Controller
5.10.00.5420 (2003-12-19) via .inf
This is for the Realtek AC'97 Onboard sound card on the motherboard MSI KT4V
Pieter Wijnsma (DG Member) on 27-Jan-2004
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The following files are found inside the driver download file.
|GETDXVER.EXE||40.4 KB||8 Aug 2003|
|ALCUPD.EXE||208.9 KB||21 Nov 2003|
|Setup.ini||2.1 KB||15 Sep 2003|
|WinNT4/Oemsetup.inf||640 bytes||17 Oct 2002|
|WinNT4/Alswwtnt.sys||115.2 KB||4 Apr 2003|
|WinNT4/ALSWWTNT.DAT||247.2 KB||22 Oct 1999|
|WinNT4/ALCXNT.SYS||203.6 KB||24 Nov 2003|
|WinNT4/MMDRV.DLL||20.5 KB||28 Jan 2003|
|WinNT4/Alswwtnt.dll||23.0 KB||4 Apr 2003|
|WinNT4/SoundMan.exe||155.1 KB||21 Apr 2003|
|WinNT4/ALCXNT.DLL||43.1 KB||24 Nov 2003|
|WinNT4/ALSWWTNT.TON||3.1 MB||22 Oct 1999|
|README.TXT||16.2 KB||25 Dec 2003|
|ALCXDEV.EXE||31.4 KB||4 Nov 2003|
|DATA1.CAB||858.6 KB||9 Dec 2003|
|ALCCHKID.EXE||110.6 KB||21 Nov 2003|
|IKERNEL.EX_||340.9 KB||11 Apr 2001|
|Setup.exe||139.3 KB||10 Jan 2000|
|ALCRMV9X.EXE||127.0 KB||21 Nov 2003|
|LAYOUT.BIN||422 bytes||9 Dec 2003|
|Ap/Mpstd.exe||3.8 MB||30 Sep 1998|
|Ap/Classic.dll||1.8 MB||14 May 2003|
|Ap/MPIE4STD.EXE||1.6 MB||30 Sep 1998|
|Ap/RtlRack.exe||3.6 MB||15 Dec 2003|
|Ap/AvRack2.exe||794.6 KB||4 Apr 2003|
|Ap/AVRACK.INI||164 bytes||6 Jul 2001|
|SetCDfmt.exe||23.6 KB||3 Dec 2001|
|DATA2.CAB||512 bytes||9 Dec 2003|
|ALCRMV.EXE||139.3 KB||21 Nov 2003|
|WDM/Alcxwdm13.inf||34.9 KB||19 Dec 2003|
|WDM/AUDIO3D.DLL||65.5 KB||19 Aug 2003|
|WDM/Alcxwdm8.inf||28.8 KB||19 Dec 2003|
|WDM/ALSNDMGR.WAV||141.0 KB||5 Feb 2002|
|WDM/ALSndMgr.cpl||14.2 MB||19 Dec 2003|
|WDM/Alcxwdm7.inf||23.9 KB||19 Dec 2003|
|WDM/RTLCPL.EXE||5.3 MB||19 Dec 2003|
|WDM/Alcxwdm1.inf||61.4 KB||19 Dec 2003|
|WDM/Alcxwdm6.inf||31.0 KB||19 Dec 2003|
|WDM/Alcxwdm5.inf||24.0 KB||19 Dec 2003|
|WDM/CRLDS3D.DLL||766.0 KB||21 Nov 2002|
|WDM/Alcxwdm9.inf||27.1 KB||19 Dec 2003|
|WDM/Alcxwdm0.inf||62.8 KB||19 Dec 2003|
|WDM/RtlCPAPI.dll||155.6 KB||18 Dec 2003|
|WDM/Alcxwdm10.inf||38.1 KB||19 Dec 2003|
|WDM/ALCXSENS.SYS||391.4 KB||11 Dec 2003|
|WDM/Alcxwdm12.inf||26.1 KB||19 Dec 2003|
|WDM/Alcxwdm.inf||27.2 KB||25 Dec 2003|
|WDM/Alcxwdm3.inf||26.9 KB||19 Dec 2003|
|WDM/Alcxwdm2.inf||62.0 KB||19 Dec 2003|
|WDM/Alcxwdm.cat||338.8 KB||23 Dec 2003|
|WDM/ALCXWDM.SYS||541.5 KB||19 Dec 2003|
|WDM/SoundMan.exe||65.0 KB||19 Dec 2003|
|WDM/Alcxwdm11.inf||24.8 KB||19 Dec 2003|
|WDM/Alcxwdm4.inf||42.7 KB||19 Dec 2003|
|WDM/Alcxwdm14.inf||25.2 KB||19 Dec 2003|
To get the Realtek AC97 Audio 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 Realtek AC97 Audio 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 RealTek 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 RealTek website. Most major device manufacturers update their drivers regularly.
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.
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
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
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.