The TL-WN851ND is a network device manufactured by TP-LINK. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This version of "TL-WN851ND_v1_110825.zip" has been downloaded 2,023 times with a user rating of 4 out of 5 stars, based on 5 reviews. The uploader reports that this update will work successfully on PCs running Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 21.6 MB.
TL-WN851ND
TP-LINK 150Mbps Wireless N Adapter
TP-LINK 300Mbps Wireless N Adapter
Windows 7, Windows Vista, Windows XP
TL-WN851ND_v1_110825.zip (21.6 MB)
Wireless N Adapter Driver File
Peter (DG Staff Member) on 29-Feb-2012
To get the TL-WN851ND driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter TP-LINK TL-WN851ND into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the TP-LINK Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the TP-LINK website. Most major device manufacturers update their drivers regularly.
Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:
Access the Quick Access menu by right-clicking the Start button.
From the menu options, choose "Device Manager".
Within Device Manager, identify the device requiring the driver update.
Open the context menu for the device by right-clicking its name.
Select "Update driver" and proceed through the guided installation.
To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.
Regular driver updates contribute to optimal system performance and hardware compatibility.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| TL-WN851ND v1_110825/Driver Files/Windows 7 32bit/athr.sys | 1.2 MB | 12 Apr 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows 7 32bit/athrext.cat | 7.7 KB | 20 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows 7 32bit/netathr.inf | 262.9 KB | 19 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows 7 64bit/athrextx.cat | 7.7 KB | 20 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows 7 64bit/athrx.sys | 1.6 MB | 12 Apr 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows 7 64bit/netathrx.inf | 264.7 KB | 19 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows Vista 32bit/athr.sys | 1.2 MB | 12 Apr 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows Vista 32bit/athrext.cat | 7.8 KB | 20 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows Vista 32bit/netathr.inf | 137.0 KB | 19 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows Vista 64bit/athrextx.cat | 7.8 KB | 20 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows Vista 64bit/athrx.sys | 1.5 MB | 12 Apr 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows Vista 64bit/netathrx.inf | 137.7 KB | 19 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows XP 32bit/athw.sys | 1.6 MB | 12 Apr 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows XP 32bit/netathw.cat | 7.7 KB | 20 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows XP 32bit/netathw.inf | 170.5 KB | 19 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows XP 64bit/athwx.sys | 2.1 MB | 12 Apr 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows XP 64bit/netathwx.cat | 7.8 KB | 20 Aug 2011 |
| TL-WN851ND v1_110825/Driver Files/Windows XP 64bit/netathwx.inf | 247.6 KB | 19 Aug 2011 |
| TL-WN851ND v1_110825/Setup.exe | 5.6 MB | 22 Aug 2011 |
| TL-WN851ND v1_110825/TL-WN851ND User Guide.pdf | 3.7 MB | 24 May 2011 |
| TL-WN851ND v1_110825/Utility/ISSetup.dll | 535.6 KB | 19 Apr 2007 |
| TL-WN851ND v1_110825/Utility/_Setup.dll | 156.6 KB | 28 Apr 2007 |
| TL-WN851ND v1_110825/Utility/data1.cab | 766.9 KB | 20 Dec 2005 |
| TL-WN851ND v1_110825/Utility/data2.cab | 9.9 MB | 20 Dec 2005 |
| TL-WN851ND v1_110825/Utility/layout.bin | 455 bytes | 20 Dec 2005 |
| TL-WN851ND v1_110825/Utility/setup.exe | 372.7 KB | 20 Dec 2005 |
| TL-WN851ND v1_110825/Utility/setup.ini | 485 bytes | 20 Dec 2005 |