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File Version :
Description : Ralink 802.11 USB Wireless Adapter Driver
Copyright : Copyright (C) 2006 Ralink Technology, Corp.
Product Version :
Product Name : Ralink 802.11 Wireless Adapters
Company Name : Ralink Technology, Corp.
Internal Name : rt73.sys
File Size: 347776 byte(s) 339.640 KB
MD5 : 7b8994bd539c3d9bbd7b2a3b204c29e8
SHA1: CF5B008E5E6E883B03FCB86CC0EA853464A7F282

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