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Open computer settings, find Network and Internet, click Change Adapter Options on the right, right-click the WiFi connection in use, and Just click Restart in the upper left corner.
Enter the correct wireless password to connect, so that it can be used normally. If you find that you cannot connect to the network, or sometimes it shows that you are connected, but you cannot access the Internet. You can disconnect from the network in Wifi settings and then try to connect again by entering the password.
If the power supply is normal, check whether the power cord is damaged or loose. If the power cord is damaged, replace it and plug it back in. Wireless router settings. The wireless router can only connect to a maximum of 16 wireless devices. If there are more, it will not be able to connect. Some people can connect to WIFI, and some can't.
Method 1: The computer cannot connect to the wifi. It may be that the wireless password has been changed. We need to re-enter the new password. Right-click on the wireless network signal and select "Properties". Then re-enter the password and connect again.
If the network cannot be connected, an "×" mark appears on the network connection icon in the lower right corner of the computer screen, indicating that the network cable is not connected. You must carefully check the network cable and check the computer's network interface, network cable and router. The interface has been connected.
1. It may be that the computer is too far away from the router and cannot receive the wifi signal. Solution: Place the computer closer to the router. There may be a line failure in the router or the network cable connected to the computer.
2. There is a problem with the wireless network card driver of the computer, resulting in the inability to connect to the wireless network. You can try reinstalling the wireless network card driver. The distance between the computer and the router is too long or there are too many obstacles, and the signal is interfered or blocked. You can try moving the computer and router closer or reducing obstacles.
3. There are two possibilities for this problem: (1) Router error; (2) Mobile phone network permissions have been tampered with.
1. If your computer cannot search for a WiFi signal, there may be the following reasons: The WiFi signal is unstable or the distance is too far. Please make sure there are no obstacles between your computer and the WiFi router, and the distance is not too far. The computer's WiFi function is not turned on. Please check whether your computer has turned on the WiFi function.
2. Cause: The notebook network settings are incorrect. Workaround: Change the adapter. First, we open the Microsoft button in the lower left corner of the desktop. The interface pops up and we click on Network and Internet.
3. If you connect directly to the modem, you can dial, but the router cannot dial. It's usually a router hardware failure; if you were able to connect to WIFI before, you suddenly can't. It is related to the router cache. You can unplug the power cord behind the router and plug it in again. When the signal indicator light comes back on, the computer will try to connect again.
4. Method 1: Step 1: The computer cannot connect to wifi, and the icon will have a yellow exclamation mark. Right-click the wireless wifi icon in the lower right corner, and then click to open the Network and Sharing Center. Steps: Click Change Adapter Settings in the upper left corner of the Network and Sharing Center.
5. This is because some networks on the computer are not consistent with the original configuration after the configuration has been changed, or it may be caused by some unknown viruses or incorrect operations.
6. If none of the above methods work, there may be a problem with your computer's network card or the wifi network you are connected to has blocked your computer.
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