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File Version :
Description : o1394b.sys
Copyright : Copyright OrangeWare Corp., 2003-2005
Product Version : 1.2
Product Name : 1394B Filter Driver
Company Name : OrangeWare Corporation
Internal Name : o1394B
File Size: 10112 byte(s) 9.896 KB
MD5 : 8e41c7c9c171d07c1ecf108d5e2b1c07

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