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File Version : (62.2)
Description : C-Media USB Audio WDM Driver
Copyright : Copyright (C) C-Media Inc. 1998-2005
Product Version :
Product Name : C-Media USB Audio Driver (WDM)
Company Name : C-Media Inc
Internal Name : cmudau.sys
File Size: 1265984 byte(s) 1.212 MB
MD5 : f83a684cef42b6a14a2668419632516c
SHA1: A64812850F87C0DA006E5938ACFDB5E6F993FB07

Download ch7017.sys
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How to Install ch7017.sys
Repair Sys ProblemsFixing a corrupted or missing ch7017.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.