Due to an engineering error, the HD Audio bus driver that shipped in Server 2003 SP1 and Windows XP x64 Edition contains what is called ¡§time bomb¡¨ functionality that prevents the use of the binary after a certain date. That date was August 1st 2005 and users may find their audio device stop working after that date. If the following conditions are true, the computer Intel High Definition audio functionality unexpectedly quits working:¡E The computer is running either Microsoft Windows Server 2003 Service Pack 1 (SP1) or Microsoft Windows XP Professional x64 Edition. ¡E The computer has an Intel High Definition audio device. CAUSE This problem occurs because of a problem in the Intel High Definition audio driver that is included with Windows Server 2003 and Windows XP Professional x64 Edition. The Download Center URLs will be as follows: WS03 http://www.microsoft.com/downloads/details.aspx?FamilyId=D0934D06-15B3-4A65-8C52-746BEB24E86C&displaylang=en WS03 x64 http://www.microsoft.com/downloads/details.aspx?FamilyId=0E850506-50EE-4458-902F-F9FC59201B04&displaylang=en WinXP x64 http://www.microsoft.com/downloads/details.aspx?FamilyId=DAB139F1-065C-41E8-A148-9D79BD9D24F9&displaylang=en The reason this happened has been addressed for future OS releases.Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.