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File version :
Description : NDIS 5.1 driver
Copyright : Copyright 2006, Marvell All Rights Reserved.
Product Version :
Product Name : Device driver for Marvell 802.11n NIC
Company Name : Marvell Semiconductor, Inc
Internal name : Mrvw245.sys
File Size: 499456 byte(s) 487.768 KB
MD5 : d2d7affd7cca5da3a7b1aa70313b75b5
SHA1: 7017E3E4F7219B75A0F2ED183FBF8C78AB1DCFF9

Download WN121TXP.sys
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How to Install WN121TXP.sys
Repair Sys ProblemsFixing a corrupted or missing WN121TXP.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.