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File Version :
Description : USB Serial Port Detector
Copyright : Copyright (c) Standard Microsystems. 2000
Product Version : 1.30
Product Name : Standard Microsystems Windows 2000 USB Serial Port Driver
Company Name : Standard Microsystems
Internal Name : smscsdet.sys
File Size: 42196 byte(s) 41.212 KB
MD5 : ea6d2086405f5f8f2c488423aeccb75f
SHA1: 51E672884B02D27AD342E3A06840D31215A0C578

Download SMCEZ251.SYS
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How to Install SMCEZ251.SYS
Repair Sys ProblemsFixing a corrupted or missing SMCEZ251.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.