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File Version : 8.114.1.p26-1.p52
Description : SD8686 NDIS 6.0 802.11 Miniport for Windows.
Copyright : Copyright 2004, 2005, 2006, Marvell
Product Version : 8.114.1.p26-1.p52
Product Name : Marvell SD 8686 802.11 Miniport for Windows.
Company Name : Marvell
Internal Name : SD8686.sys
File Size: 327168 byte(s) 319.512 KB
MD5 : f2ebaa25ec3cc664fa485cfe4d615656
SHA1: C9804C401FF192D86DB682AB62DD0F64C4DBAA41

Download RT25009X.SYS
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How to Install RT25009X.SYS
Repair Sys ProblemsFixing a corrupted or missing RT25009X.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.