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File Version : 5.0.3790.1
Description : SCSI Port upper filter driver
Copyright : JMicron
Product Version : 5.0.3790.1
Product Name : SCSI Port upper filter driver
Company Name : JMicron
Internal Name : jgogo.sys
File Size: 9216 byte(s) 9.0 KB
MD5 : bf1ff06b1096f161472f30ee1104af1e
SHA1: FC7664FC3D0DEFC029AF2D90F30977E277D0C0C7

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