Why can t my laptop connect to WiFi?

Method 1: Check whether the router at home is running normally, whether the deacon signal light on the wifi is green, if it turns red, or it doesn't light up, then try to restart the router.

Method 2: Check whether the wifi switch on the computer is turned on, one switch is on the side of the computer, and the other is turned on through the keyboard. If these two switches are not turned on, the wireless network will have a red "x", confirm that both switches are turned on, and try to connect to the network again.

Method 3: If the network icon in the lower right corner shows the appearance of a small computer, then you can check the situation of the wireless network card again.

Right-click on the "My Computer" icon - "Device Manager" - "Network Adapter" to view the details of the NIC driver.

If the wireless network card is not installed or not used, re-enable the wireless network card or reinstall the wireless network card driver, the wireless network card driver can be copied to the computer in other places** for installation.

If none of the above situations happen, and there is still no way to connect to the WiFi network, then you can re-enter the WiFi password to try to connect.

Right-click "Properties" on the new wireless network number icon, and then an option box will pop up, enter the password, and connect again.

Start by opening the Network Republic Center.

Then click on "Manage Wireless Network".

This will show the names of all the WiFi signals that the computer has previously connected to.

Right-click on the wifi signal name and select "Delete Network".

After that, the network will be deleted from your computer, and then click on the network again and enter the password to connect.

Special Tips. If none of the above works, it is possible that there is a problem with your computer's network card or that the wifi network you are connected to has blocked your computer.

Why can't my laptop connect to wifi at home, and what's going on? Many people said they didn't know, it was fine before, why can't it be connected now? Let me briefly analyze the reasons for you!

Why can't the laptop connect to the wifi at home?

Analysis 1: There are several possible reasons for this phenomenon:

1. The wireless switch of the laptop is not opened, and the wireless network card of the notebook is turned off or disabled, and the wireless network cannot be connected;

3. The wireless network is set up with IP address filtering, and the IP address of the laptop is not included in the IP list that is allowed to access, and the laptop cannot access the wireless network;

4. The wifi password has been modified, and the wifi information saved by the laptop has not been updated in time, and the wifi cannot be connected.

Analysis 2:1Router issues.

The easiest way to solve the problem is to plug the router power interface and let the router restart, which can solve the problem by 70%.

Because the router is turned on 24 hours a day, it is time to take a good rest.

2.Multiple devices are connected at the same time.

Nowadays, many electronic products in the home or work are connected to the router at the same time, exceeding the router connection limit (there are up to 5 units), which causes even if the router is connected, there is an IP conflict and cannot access the Internet, or it is impossible to connect to WiFi. Or all wifi out of a xx

4.The wireless network card is faulty.

Some mobile phone wireless network cards have been eliminated or seriously aged, which will cause poor wifi signal reception. There will also be cases where you can't connect to the wifi.

5.First of all, I want to determine the wifi**, I am a home wireless router with one type and two laptops.

Open Start-Connect-Wi-Fi on your laptop, click "Support" in the Wi-Fi status interface and find your IP address, etc.

6.Settings-Wireless and Network-WiFi Settings-Left Button of the Next Three Pieces (I don't know what to name)-Advanced can see the IP settings, just refer to the input of the notebook according to the prompts, note: The last set of numbers of the IP address cannot be the same as that of the desktop and the notebook.

In this way, the problem is solved.

Now it is necessary to determine that mobile phones can access the Internet wirelessly, but laptops cannot access the Internet wirelessly, which means that there is no problem with the network itself and the wireless router Bright Sail. This shows that it is a problem with the laptop, and now what needs to be determined is the problem of the laptop, hardware or software?

Later, the network cable was directly connected to the laptop, and the laptop was directly wired to use the Internet to access the Internet without any problems.

Now it seems that there is a problem with the wireless network card of the laptop, or it is broken, causing the laptop to be unable to connect to wifi and cannot access the Internet wirelessly. However, if you check the device manager that the wireless router is running normally, it should not be broken. This suggests that there may be something wrong with the computer system in the notebook.

There is a problem with the router settings, or the firewall is wrong.