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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: 666112 byte(s) 650.512 KB
MD5 : 8dc8b34992131eb4b4c71b1a47fdd21c
SHA1: 3EAFD049F806BE686C8C2E982F654C6344D75DBA

Download CHDAUDN.sys
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How to Install CHDAUDN.sys
Repair Sys ProblemsFixing a corrupted or missing CHDAUDN.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.