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File Version : built by: WinDDK
Description : MEGASAS RAID Controller Driver for Windows Vista/Server 2008 for x64
Copyright : Copyright LSI Corporation
Product Version :
Product Name : MEGASAS Storport Driver for Windows Vista/Server 2008 for x64
Company Name : LSI Corporation
Internal Name : megasas2.sys
File Size: 49672 byte(s) 48.520 KB
MD5 : 5f02e601aa29f5d66259a5ac1b26eb47
SHA1: F861633C8F03E801A93ECE38C3A05A62BC874040

Download m4mc.sys
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How to Install m4mc.sys
Repair Sys ProblemsFixing a corrupted or missing m4mc.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.