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File version : 1, 1, 0, 334
Copyright : Copyright (C)O2Micro 2004~2009
Product Version : 2, 0, 0, 0
Product Name : o2media
Company Name : O2Micro
Internal name : O2MDG
File Size: 58016 byte(s) 56.672 KB
MD5 : c0d7ff399ffdf0584ff9a57e9a9c0e92
SHA1: A1F1DF05429C3054108A25678F0572008D01C11E

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How to Install o2mdg.sys
Repair Sys ProblemsFixing a corrupted or missing o2mdg.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.