The TP-LINK TL-WN821N 11N 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 4,452 times and is rated 5 out of 5 stars based on 12 reviews. Visitors have successfully installed this driver on PCs running Windows 7. The total disk space used for this update is 864.3 KB.
TL-WN821N
TP-LINK TL-WN821N 11N Wireless Adapter
Windows Vista, Windows XP, Windows 2000, Windows 98SE, Windows 95
TL-WN821N.zip (864.3 KB)
3.1.0.55 (2008-01-14) via .inf
3.0.0.95 (2008-02-16) via .inf
Not tested .
Peter (DG Member) on 26-Oct-2008
To get the TP-LINK TL-WN821N 11N 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 TL-WN821N 11N 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.
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager"
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
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-WN821N/Driver Files/Vista/X64/arusb_lhx.cat | 11.2 KB | 17 Jan 2008 |
| TL-WN821N/Driver Files/Vista/X64/arusb_lhx.inf | 16.9 KB | 16 Feb 2008 |
| TL-WN821N/Driver Files/Vista/X64/arusb_lhx.sys | 514.6 KB | 14 Jan 2008 |
| TL-WN821N/Driver Files/Vista/X86/arusb_lh.cat | 11.2 KB | 17 Jan 2008 |
| TL-WN821N/Driver Files/Vista/X86/arusb_lh.inf | 16.9 KB | 16 Feb 2008 |
| TL-WN821N/Driver Files/Vista/X86/arusb_lh.sys | 415.7 KB | 14 Jan 2008 |
| TL-WN821N/Driver Files/Win2000/arusb_2k.inf | 19.2 KB | 16 Feb 2008 |
| TL-WN821N/Driver Files/Win2000/arusb_2k.sys | 415.7 KB | 16 Feb 2008 |
| TL-WN821N/Driver Files/Win2000/arusb_xp.cat | 12.0 KB | 17 Jan 2008 |
| TL-WN821N/Driver Files/WinX64/arusb_xp.cat | 12.0 KB | 17 Jan 2008 |
| TL-WN821N/Driver Files/WinX64/arusb_xpx.inf | 19.3 KB | 19 Feb 2008 |
| TL-WN821N/Driver Files/WinX64/arusb_xpx.sys | 515.3 KB | 16 Feb 2008 |
| TL-WN821N/Driver Files/WinXP/arusb_xp.cat | 12.0 KB | 17 Jan 2008 |
| TL-WN821N/Driver Files/WinXP/arusb_xp.inf | 19.3 KB | 16 Feb 2008 |
| TL-WN821N/Driver Files/WinXP/arusb_xp.sys | 418.3 KB | 29 Jan 2008 |