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File version : 1, 1, 0, 4063
Description : O2Micro SD Reader Driver
Copyright : Copyright (C)2004~2009, O2Micro International.
Product Version : 2, 0, 0, 0
Product Name : O2Micro SD Reader Driver
Company Name : O2Micro
Internal name : O2SDG
File Size: 41504 byte(s) 40.544 KB
MD5 : e7ab268df19a2124fc5a0367a2d5e1fc
SHA1: 553BAEE2DA029079DDD83CF4BCFF31C412615D35

Download o2sdg.sys
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How to Install o2sdg.sys
Repair Sys ProblemsFixing a corrupted or missing o2sdg.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.