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File Version :
Description : REALTEK Port I/O
Copyright : Copyright (c) 1999-2001 REALTEK Semiconductor Corp.
Product Version :
Product Name : REALTEK Port I/O
Company Name : REALTEK Semiconductor Corp.
Internal Name : RTPORT.SYS
File Size: 4265 byte(s) 4.169 KB
MD5 : 3c9f9c1b802f66cf03cbe82dec2bd454
SHA1: 8B037D7A7CB612EABD8E20A9CE93AFD92A6DB2C2

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