TP-LINK TG121n USB Wireless Adapter Driver Download
The TG121n USB Wireless Adapter 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 driver - "TL-WN821N.zip" - has been downloaded 12,018 times and is rated 5 out of 5 stars based on 30 reviews. Our users report success installing this driver update on PCs running Windows 7 and Windows XP. The total disk space used for this update is 16.8 MB.
Supported Models
TL-WN821N
802.11N Wireless USB Network Adapter
D-Link DWA-160 Xtreme N Dual Band USB Adapter(rev.A)
IO-DATA WN-GDN/US2
NB 802.11n ABG Wireless LAN USB Adapter(UB82)
NB 802.11n BG Wireless LAN USB Adapter(UB81)
PCI GW-US300GXS
RangeMax Dual Band Wireless-N USB Adapter
Manufacturers
Supported Operating Systems
Windows Vista, Windows Vista (64 bit), Windows 2003, Windows 2003 (64 bit), Windows XP, Windows XP (64 bit), Windows 2000, Windows 98SE, Windows 95
File Name
Versions
3.1.0.93 (24-Jul-2008)
3.0.0.129 (2008-09-09) via .inf
3.1.0.93 (2008-07-24) via .inf
Uploaded By
nickpe (DG Member) on 30-Aug-2009
Ratings & Reviews
See all TP-LINK TG121n USB Wireless Adapter ratings and reviews
Related Driver Updates
How to Update TG121n USB Wireless Adapter Device Drivers
Step 1 - Download Your Driver
To get the TG121n USB Wireless Adapter 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 TG121n USB Wireless Adapter 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.
Step 2 - Install Your Driver
Open a tool called Device Manager.
Use Device Manager to put the new driver on your computer.
Turn your computer off.
Turn your computer back on.
Now your new driver is ready!
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.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| TL-WN821N/Driver Files/VistaX64/arusb_lhx.cat | 11.5 KB | 4 Aug 2008 |
| TL-WN821N/Driver Files/VistaX64/arusb_lhx.inf | 27.9 KB | 20 Oct 2008 |
| TL-WN821N/Driver Files/VistaX64/arusb_lhx.sys | 539.1 KB | 24 Jul 2008 |
| TL-WN821N/Driver Files/VistaX86/arusb_lh.cat | 11.1 KB | 24 Jul 2008 |
| TL-WN821N/Driver Files/VistaX86/arusb_lh.inf | 27.8 KB | 20 Oct 2008 |
| TL-WN821N/Driver Files/VistaX86/arusb_lh.sys | 437.8 KB | 24 Jul 2008 |
| TL-WN821N/Driver Files/Win2K/arusb_2k.sys | 449.0 KB | 22 Oct 2008 |
| TL-WN821N/Driver Files/Win2K/arusb_xp.cat | 11.9 KB | 8 Sep 2008 |
| TL-WN821N/Driver Files/Win2K/arusb_xp.inf | 43.1 KB | 20 Oct 2008 |
| TL-WN821N/Driver Files/XP/arusb_xp.cat | 11.9 KB | 8 Sep 2008 |
| TL-WN821N/Driver Files/XP/arusb_xp.inf | 42.1 KB | 20 Oct 2008 |
| TL-WN821N/Driver Files/XP/arusb_xp.sys | 451.6 KB | 22 Oct 2008 |
| TL-WN821N/Driver Files/XP64/arusb_xp.cat | 11.9 KB | 8 Sep 2008 |
| TL-WN821N/Driver Files/XP64/arusb_xp.inf | 42.1 KB | 20 Oct 2008 |
| TL-WN821N/Driver Files/XP64/arusb_xpx.sys | 558.3 KB | 22 Oct 2008 |
| TL-WN821N/QSS-821.exe | 6.3 MB | 11 Sep 2008 |
| TL-WN821N/Setup.exe | 7.2 MB | 22 Oct 2008 |
| TL-WN821N/TL-WN821N 2.0 User Guide.pdf | 4.2 MB | 30 Oct 2008 |