- The TP-Link WN821N model is one of the most used by users for home connections
- Eventually, your software may not be able to provide you with the network as it should.
- What are the possible solutions in these cases, and what other things do you have to consider?
WiFi adapters are small gadgets that we have at home that allow us to connect our desktop or laptop computer to a wireless network and connect to it enjoying a high-speed connection. Generally, they do not usually cause problems because they are a simple technology, but there may be some exceptions. We talk, for example, about what happens when the specific model TP-Link WN821N does not work for us.
The idea then is to discover what are the possible solutions to these problems, to be able to connect again. Basically, when we say that one of these devices does not work, what we mean is that cannot detect networks, or that it detects networks but does not connect to the computer as it should.
Once you have definitively resolved the problem, you will be able to take advantage of the potential of this equipment again. They usually do not suffer from irreversible problems, and almost always the failures/errors are software related.
Why is my TP-Link WN821N not connecting and how to fix it?
The main reason or reason for this issue is outdated or deteriorating network drivers. Only in exceptional situations could it be something in the hard components Of the device. Fortunately, for what it is software, the following tricks will give you a chance to solve the problem.
Run the network adapter troubleshooter
Before going to other troubleshooting methods, try running the Microsoft Automated Troubleshooter for Network Adapters so that you get an initial diagnosis of what the bottleneck is in front of you.
- Press Win key + I to open Settings
- Below, click on Troubleshoot, Other troubleshooters
- Click Run next to Network Adapter and follow all the instructions on the screen
![TP-Link WN821N 2](https://wpdig.com/wp-content/uploads/2022/11/TP-Link-WN821N-does-not-work-what-to-do.webp.webp)
The Solver will work for a few minutes, and at the end of its analysis it will offer you an overview of the matter.
Restart WLAN Auto Configuration Services
The WLAN AutoConfig service select which wireless network a computer will automatically connect to. It includes automatic selection and connection whenever it infers that there is a preferred wireless network on your PC. Restarting this service may help you fix your computer’s current connectivity problem.
- Press Win key + R to open the Run dialog
- Type msc and press Enter to access this menu
- Scroll down and look for WLAN AutoConfig
- Right click on this function, select Restart and, done, unplug and plug the adapter
![TP-Link WN821N 3](https://wpdig.com/wp-content/uploads/2022/11/1669090610_835_TP-Link-WN821N-does-not-work-what-to-do.webp.webp)
Install network drivers in compatibility mode
Installing the network drivers in compatibility mode it allows us to run the programs using the settings of a previous version of Windowsto avoid certain inconsistencies.
- Download device drivers from the manufacturer’s portal
- Right click on the executable file and go to Property
- Under Compatibility, select Run this program in compatibility mode and choose your operating system
![TP-Link WN821N 4](https://wpdig.com/wp-content/uploads/2022/11/1669090610_643_TP-Link-WN821N-does-not-work-what-to-do.webp.webp)
When the procedure is complete, check to see if the issues have been fixed, and if not, continue reading.
run network commands
Running the network commands will reset the TCP/IP stack, renew the IP address, reset WinSock, and flush the DNS client’s resolver cache. Why not, processes that could be to blame for your problems.
Go to Command Prompt, choose Run as administrator, paste these commands and hit Enter:
netsh winsock reset netsh int ip reset ipconfig /release ipconfig /renew ipconfig /flushdns
Once you’ve done that, restart your device to see if the issue persists.
Power cycle the router
Although you’ve probably already tried this, power cycle the router to rule out that it’s actually responsible for the problem. Some routers come with a specific button for this, and you can take advantage of it.
Other frequently asked questions
Do USB WiFi adapters need drivers?
WiFi adapters are supported by generic drivers installed in Windows by default. But if you are using an external WiFi or USB adapter, you will have to download, install and update its drivers.
Why my TP-Link extender does not appear in the WiFi list?
As we have explained, this frequent problem has to do with the extender’s firmware being damaged or not receiving enough power, so it is advisable to disconnect, uninstall and reinstall.
How to reset my TP-Link to factory settings?
To reset your TP-Link to factory settings, press and hold the dedicated WPS RESET button for about 15-20 seconds, until you see the LED indicator flash rapidly. This done, he releases the button and waits for the router to reboot. He will do it with his original configuration, the factory one.
Have you been able to solve your problems with the TP-Link WN821N adapter model?