How to fix computers that cannot find the most effective Wifi network

How to fix computers that cannot find the most effective Wifi network


Computer not finding Wifi network is one of the questions that Taimienphi.vn regularly receives from readers. So what is the cause and how to fix this problem? Please refer to the article on how to fix computers not found Wifi network below. Surely you will have the most satisfactory answer.


Your computer does not find the usual Wifi here, there are two cases that occur firstly the computer you want to connect to a certain WiFi network but searching the list does not find this wifi network name, although it still links Connecting to other networks normally. Or the second case you can not find any wifi when opening the list of Wifi networks. To solve this problem, we will go into each specific case as follows:

Case 1: The computer cannot find the Wifi network it needs to connect

In this case, we must create a mandatory connection for the computer by: Go to Control Panel and select Network and Internet => Network and Sharing => Manage Wireless Networks.

We again divided into 2 smaller cases that are:

+ Here if it shows the name of the Wifi network you want to connect, right-click the icon and select Properties next to tick the item Connect even if the network is not broadcasting its name (SSID)

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+ If the network name is not shown here, click on the item Add and choose Manually connect to a wireless network Then fill in the required information there.

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Finally, check the router and reboot the device to ensure a good, stable signal.

Case 2: Computer, laptop cannot find any Wifi network

In this case, when observing the Wifi connection on your computer, there will be a red dash or exclamation mark.

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There are many reasons for this, and here are workarounds:

1. Check the Wifi toggle button on your laptop computer

This may be you accidentally or someone clicked on to turn off the Wifi connection on your laptop. The solution now is that you just need to turn on the Wifi detector again. Each laptop will have a different way to turn on, usually we will use the key combination Fn + F1,2 … 9. Eg :

– With an Asus or Dell computer will be: Fn + F2
– With a Lenovo computer: Fn + F5

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However, there will be other computers with separate buttons to turn on and off Wifi

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2. Restart Rounter Wifi

Sometimes there is a conflict in the Rounter Wifi transmitter that makes your computer and laptop unable to connect to Wifi. To resolve this, try restarting your Wi-Fi Rounter it will most likely fix the conflict on its own and your computer will connect normally.

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3. Check if the Wifi Driver is faulty or not installed

Missing or missing Wifi Driver is also one of the main reasons why your computer cannot connect to Wifi. You can check your Wifi Driver again by right-clicking My Computer (This PC if you use Windows 10) and select Manage.

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Next, click on the item Device Manager and choose Network adapters.

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See if there is any yellow exclamation mark symbol. If it means the wifi driver has not been installed.

Next, you need to reinstall the Wifi Driver for your computer. There will be many ways, you can download the Driver from its homepage or use automatic driver installation software such as DriverEasy.

4. Your computer is infected with a Virus

Virus is also one of the reasons why your computer can not connect to Wifi. The reason your computer is infected with viruses here is because you use Crack or no anti-virus software to protect. So the solution now is that you need to install a reputable anti-virus software and remove viruses and malicious applications on your computer, to find effective anti-virus software you can refer to at the Top article Antivirus software 2017 Best we have shared.

5. Error due to antivirus software blocking the wifi network

In case you are using anti-virus software, it is possible that this antivirus software has hijacked network information, causing it to accidentally conflict with the wifi network in use, so please turn off the network censorship feature of the section. antivirus software.

Here, for example, you are using antivirus software AVG. To turn off network censorship, do the following:

First you open Network and Sharing Center => on Change Adapter Settings. Next, right click Local Area Connection and uncheck the box AVG network Fillter driver and press OK, got it.

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Above is a guide on how to fix a computer that cannot find Wifi network. Hopefully through the article you have overcome your problem. Good luck. If you are a wifi modem manager, please regularly change the wifi password for your device, the steps to change wifi password quickly and do not take too much of your time.

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