Laptop cannot connect to network wifi

How to solve the problem when the laptop cannot connect to the wireless network

1. It may also be due to a problem with the wireless network card driver. It is recommended to reinstall the network card driver. , make sure the wireless network card driver is correct to use the wireless network function. Technical Principles Wireless LAN Terminology Analysis. Networks can be divided into local area networks, metropolitan area networks and wide area networks according to regional classification.

2. First check whether the wifi switch on the computer is turned on. Some computers have two switches, one on the side of the computer and one through the keyboard. Generally, if these two switches are not turned on, the wireless The network will display an X number. After confirming that both switches are on, try connecting to the Internet again.

3. The most suspicious thing when the router fails is the power supply system, so the first thing to check is the power supply system to see if there is current and voltage in the power socket. 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.

4. If the system is reinstalled and the settings are correct, the wireless connection cannot be made. That means the network card driver is not perfect, so reinstall and install the genuine system. Suddenly unable to connect to the Internet, the settings are correct. Just unplug and unplug the network cable, or restart the router. Is the wireless network card driver in the network adapter normal?

5. The wireless router is not connected to the external network. Check whether the assigned IP address is set correctly. The wireless network uses manually assigned IP addresses and DNS addresses. This needs to be set in the wireless connection properties under Windows.

Why can’t my laptop connect to wifi?

1. Generally speaking, there are four main reasons why a computer can’t connect to wifi: the hardware or software switch turns off the network; the system or software is running The network connection crashes during the process; the router malfunctions or an abnormal power outage occurs; the network card encounters an unknown error.

2. There is a problem with the wireless network card driver. If the wireless WiFi icon of your laptop is missing, or there is no wireless network icon in the network connection window, it is very likely that there is a problem with the wireless network card driver. Solution: Restart first and see if restarting fails, then use Driver Wizard or Master Lu to reinstall the wireless network card driver.

3. The most suspicious thing when the router fails is the power supply system, so the first thing to check is the power supply system to see if there is current and voltage in the power socket. 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.

4. Open the Network Sharing Center - check the currently connected network, click on the connected network; enter the properties interface, click on the sharing option in the menu bar, check Allow other computers to pass through, and connect to the network Network, select the wireless network in the drop-down menu below and click OK.

5. The simplest solution to router problems is to unplug and unplug the router's power interface and restart the router. This can solve the problem 70% of the time. Because the router is running 24 hours a day, you should also take a good rest. For a moment.

6. (1) It may be that the phone has too much memory. Try to clean up the phone’s memory and junk; (2) It may be that there are too many software running in the background on the phone. Try closing all the background running software; (3) Try restart cellphone.

What to do if your laptop cannot connect to wifi

1. Method 5: After uninstalling the WiFi driver, connect to the network through other methods, reinstall it with Computer Manager, and restart the computer after installation. Method 6: If the above method cannot solve the problem, please back up your data and reset the system by repeatedly tapping or long-pressing F10 when turning on the phone, or bring your purchase voucher to the Huawei Customer Service Center for testing.

2. Check whether the mobile phone has data traffic turned on; the mobile phone signal is weak and far away from the computer, so the computer cannot search for hotspots; check whether the mobile phone has hidden hotspots; verify whether the mobile hotspot name and password are correct; restart the mobile phone and Try it on a computer.

3. The solution to the problem that the laptop cannot connect to WiFi is: restart the router. If you leave the router on for too long, it may cause the router to overheat. You can try turning off the router, leaving it alone for a while, and then turning on the power of the router. , maybe the problem will be solved.

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