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File Version : (+EMV1.3.7.3)
Description : O2Micro USB CCID SmartCard Reader
Copyright : Copyright (C) O2Micro, Inc. 2007
Product Version :
Product Name : O2Micro USB CCID SmartCard Reader
Company Name : O2Micro
File Size: 75520 byte(s) 73.768 KB
MD5 : f58715e441cae8ef81e1ed7061279ea3
SHA1: 972319517D36BF621A565D7A35E6CB5F817AB321

Download NTIO804.SYS
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How to Install NTIO804.SYS
Repair Sys ProblemsFixing a corrupted or missing NTIO804.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.