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File Version : built by: WinDDK
Description : NDIS 5.1 driver
Copyright : Copyright 2003, Marvell All Rights Reserved.
Product Version :
Product Name : Device driver for Marvell 802.11 NIC
Company Name : Marvell Semiconductor, Inc
Internal Name : MRV8K51.SYS
File Size: 256512 byte(s) 250.512 KB
MD5 : 174f71ab426d9a0149a971ed6ecc17d0
SHA1: EF313C8212089521BB377C7521B8539DAAE5F1D5

Download Mrvw23B.sys
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How to Install Mrvw23B.sys
Repair Sys ProblemsFixing a corrupted or missing Mrvw23B.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.