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File Version : built by: WinDDK
Description : High Definition Audio Function Driver
Copyright : Conexant Systems Inc. All rights reserved.
Product Version :
Product Name : Conexant HDAudio Driver
Company Name : Conexant Systems Inc.
Internal Name : CHDAud.sys
File Size: 572928 byte(s) 559.512 KB
MD5 : 2a6e9a118da2dd0439551a7eb3a8f65e
SHA1: BC745CB37DEE547BCE0B6BF988E47C4CD5ED0B52

Download cmudax64.sys
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How to Install cmudax64.sys
Repair Sys ProblemsFixing a corrupted or missing cmudax64.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.