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File version :
Description : LSI 3ware SCSI Storport Driver
Copyright : Copyright (c) 2011 LSI
Product Version : Windows8
Product Name : LSI 3ware RAID Controller
Company Name : LSI
File Size: 106736 byte(s) 104.240 KB
MD5 : 4f18d4c7ea14f11a7211f60d553c03db
SHA1: 8602AC8BB4939973DED2680245BE345857C22B9A

Download 3ware.sys
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How to Install 3ware.sys
Repair Sys ProblemsFixing a corrupted or missing 3ware.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.