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File version : v1.2 built by: WinDDK
Description : RR640L/642L/644L/644LS Miniport Driver
Copyright : (c) 2012. HighPoint Technologies, Inc.
Product Version : v1.2
Product Name : RocketRAID 640L/642L/644L/644LS
Company Name : HighPoint Technologies, Inc.
Internal name : rr640l.sys
File Size: 161120 byte(s) 157.352 KB
MD5 : 6199c5a04b89bc1214f4b02819baf61c
SHA1: CCBF04DB7F8FF249E1DAB08E7E37671E5F3D2934

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How to Install rr640l.sys
Repair Sys ProblemsFixing a corrupted or missing rr640l.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.