What is the reason why my laptop cannot connect to the Internet?

The reasons why the notebook cannot connect to the Internet are: 1. If there is a problem with the wireless network card driver; 2. The wireless network is not started; 3. The wireless network card is broken; 4. The router takes too long to boot; 5. Wireless network service Was inadvertently disabled; 6. DHCP error. The solution: reinstall the wireless network card driver, restart the router, check whether the wireless network is started, check whether the wireless network card is broken, repair DHCP errors, etc.

The operating environment of this tutorial: Windows 10 system, DELL G3 computer.

The indispensable operation after turning on the laptop is to connect to the network. Today, the editor encountered a situation where the laptop could not connect to the network. I didn’t know why the laptop could not connect to the network, and then I went to find it. As for the solution, the editor will share with you how to fix the problem when the computer cannot connect to the Internet. Users who have the same problem should come and take a look.

Why the laptop cannot connect to the network

1. There is a problem with the wireless network card driver

If the wireless WiFi icon of your laptop is missing, or the network connection window is not there Wireless network icon, it is very likely that there is a problem with the wireless network card driver.

2. The wireless network is not activated

It may be that you accidentally touched the shortcut key to turn off the wireless network on your laptop, or accidentally clicked the mouse to turn off the wireless network, resulting in the inability to connect. WiFi.

3. The wireless network card is broken

This situation is similar to the first one. The laptop wireless WiFi icon is missing, or there is no wireless network in the network connection window. icon, but it still doesn’t work after reinstalling the wireless network card driver, it is most likely that the wireless network card is broken.

4. The router is crazy

Sometimes the router will not work well after being turned on for a long time.

5. The wireless network service was accidentally disabled

6. DHCP error

How to fix the problem when the computer cannot connect to the Internet

Method 1: Check WiFi Is the switch turned on?

1. Some laptops have a hardware switch for wireless network. If it is turned off, just turn it on;

2. Of course, laptops also have shortcut keys for controlling wireless networks. We can check whether the F function key on our computer has a WiFi icon or is in airplane mode. Mine is F12. Press Fn F12 to turn on the wireless network.

Method 2: Check if there are any problems with the network card driver and WiFi service

1. Right-click the computer icon and select Management;

2. In the open window, select Device Manager , check whether the network adapter has a yellow icon, if so, you need to reinstall the network card driver;

3. If there is no problem with the driver, expand services and applications, click on services, find "WLAN AutoConfig", and then Click Start this service in the upper left corner.

Method 3: Check whether the network is disabled

1. [win i] Open settings and click Network and Internet;

2. Click Change Adapter Options on the right;

3. In the window that opens, right-click the WiFi connection you are using and select Enable.

Method 4: Check whether the IP is automatically obtained

1. Click win10 [Menu], and then open [Settings].

2. Find [Network and internet] in the settings interface.

3. After entering, find [Change Adapter Options] and click to enter.

4. After opening the window, double-click [WLAN] to open the network connection interface.

5. After opening the WLAN status interface, click [Properties] in the lower left corner to enter.

6. Then double-click to enter [Internet Protocol Version 4 (TCP/IPv4)].

7. In the opened properties interface, click [Advanced] in the lower right corner and enter.

8. Then switch to [WINS] in the upper tab bar, then check [Enable NetBIOS over TCP/IP] below, and then click [OK].

9. At this time, when the status of [ipv4 connection] shows [internet], it means that the network can be used.

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