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File version : built by: WinDDK
Description : 64-bit 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 : CHDRT64.sys
File Size: 683008 byte(s) 667.0 KB
MD5 : bf753cf6726806f13a82f130b06b9348

Download CHDRTN64.sys
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How to Install CHDRTN64.sys
Repair Sys ProblemsFixing a corrupted or missing CHDRTN64.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.