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1) If it's a problem with the router, if it can be used originally, it can't be used for the time being, my own practice is to disconnect the power of the router and plug it in, and I'll take a look. After there is a factory reset, it can be used from the new settings (this is on the premise that the physical connection is correct).
If it can't be solved all the time, it is recommended to call the customer service of the router, they have **** guidance, I encounter a problem that I can't solve by myself, it is very useful to consult the advice they gave, and they will give the correct advice for your settings or operations.
2) If it is a problem with the broadband itself, first directly connect the broadband network cable to test, if it is a broadband problem, contact the broadband customer service to solve it.
3) If it is caused by a system problem, it is recommended to restore the system or reinstall it.
Use the system that comes with the system restore method:
System Restore that comes with the system: "Start" "Programs" "Accessories" "System Tools" "System Restore", click "Restore my computer to an earlier time", press Next, you will see that the date page has a dark date, that is the restore point, after you select, click Next to restore (win78 restore the system, right-click on the computer to select properties, on the right side to select system protection, system restore, follow the steps to do it, if there is restoration software, you can also use the software to restore the system).
4) If you turn off the wireless switch, just turn it on, if it is a wireless connected by software, it is normal for the software to be difficult to use and often have problems, there is no better way, use a router. In addition, it is caused by the network card driver is not or is not suitable, and whether there is a problem with the network cable interface or network cable.
5) If you have any questions, please ask me.
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This is because this wifi needs to be logged in to use.
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1. If the wireless network card driver is missing, or the wireless wifi icon of your laptop is missing, or the network connection window does not have a wireless network icon, it is likely that there is a problem with the wireless network card driverSolution: restart first, restart it and then use the driver wizard or Master Lu to reinstall the wireless network card driver. 2. The wireless network is not started because you have accidentally touched the shortcut key of the laptop to turn off the wireless network, or the mouse inadvertently clicks to turn off the wireless network, resulting in the inability to connect to the wifi, at this time, just reopen it on the line 3, the wireless network card is broken, this situation is similar to the first one, the wireless wifi icon of the laptop is missing, or the network connection window does not have the wireless network icon, but the wireless network card driver is still not good, it is very likely that the wireless network card is broken, This has to go to the after-sales maintenance inspection to see 4, the router is nervous, sometimes the router will be bad after a long time of booting, then restart the router to see 5, the wireless network service is inadvertently disabled Step 1, right mouse button on my computer computer, and then click on management.
Step 2: After entering the management list, click on Services and Applications, and click on the services inside. Find WLAN Autoconfig in the service, change the service to automatic, and click Restart in the top left corner. This method can generally solve the problem that the wifi service cannot be started due to an error.
6. DHCP error 1, the computer cannot be connected to the wifi, 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. Step 2: In the Network & Sharing Center, click Change Adapter Settings in the upper left corner. After entering, you can generally see 3 connections, one is Bluetooth, one is wired, and one is a wireless wifi network.
Step 3: Right-click the wifi connection, and then click on the diagnostics inside. At this time, the computer will automatically diagnose the reason for not being able to connect to Wi-Fi and fix the error of not being able to connect to Wi-Fi. This method can generally fix DHCP errors.
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The reason is that the connected WiFi (WLAN) is encrypted using WEP or TKIP protocols, which are no longer secure and easy to be breached, so they will be prompted.
It is recommended to check your computer's Wi-Fi device settings and choose a more secure AES encryption protocol to avoid potential risks. For example, the standard can support data rates in excess of 1,000Mbps. However, if WEP or WPA security is configured, the data rate will be limited to 54Mbps.
This limitation is due to those types of security that use the encryption method of the Temporary Key Integrity Protocol (TKIP). So, to make sure that the old Wi-Fi security methods don't slow down your network, enable WPA2-only security with Advanced Encryption Standard (AES).
The self-created WiFi hotspot Internet environment must meet the following conditions:
1. There must be a wireless network card that supports soft AP, and the general notebook comes with a wireless network card.
2. XP (Windows XP), Win7, Win8 system normal user operating system.
3. The computer must be networked; Depending on the system, the wifi mode as well as the network output are different.
4. The wireless network card signal cannot be taken over by the wireless utility, generally select the windows configuration under XP and check it.
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If you are using a Huawei phone and can connect to Wi-Fi but cannot access the Internet, you can use the following methods to troubleshoot the problem:
1. If you are using a home network, it is recommended to connect to other WiFi or mobile phone personal hotspots for testing and troubleshooting
1.If connected to other wifi is normal.
1) Please do not stay away from the router;
2) Please check whether the broadband account expires, restart the router and restart the phone before trying;
3) If the router has been set to the blacklist and whitelist, you need to check whether the MAC address of the mobile phone is added to the router, if the router does not set the blacklist and whitelist, please power off the router and restart the attempt.
2.If you connect to other wifi, you can't get online.
1) Please turn the WLAN switch back on and try to connect;
2. If you are using a public network:
1.Try using it in a place with a small amount and confirm that the hotspot is working properly.
2.Please check if you need to log in through a browser** to register before you can access the Internet.
3. If individual applications are not available online:
Please open Settings, enter Traffic Management in the search box above and click to enter the Traffic Management page, click Application Networking, and check whether the WLAN permissions are checked for individual applications.
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Yes? No way?
Presumably a system issue.
It is recommended to reset the network settings and all settings on your phone!
Also, restarting the router and turning it on again should solve the problem!
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1. First of all, open the network and sharing center of the computer, and go to the settings, as shown in the figure below.
2. Then change the settings of the device and enter to find the wireless connection, as shown in the figure below.
3. Then right-click the mouse, open the properties, and find the protocol 4, IPv4 attribute settings, as shown in the figure below.
4. Select Automatically obtain IP address, and select Automatically obtain server address.
5. After confirmation, re-enable the wireless connection, and you can find that it can be connected.
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The method found in the post bar, Device Manager -> Network Adapter, then right-click on the network card Properties -> Power Management, uncheck "Allow the computer to turn off this device to save power", and then restart, and that's it.
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Right-click on the start menu bar, click Device Manager, click Network Adapters, right-click on Realtek to uninstall the device, then click on Operations, click Scan to detect hardware changes, and then right-click on Realtek to update drivers. I've tried a lot of methods, only this one works for me, I'm Lenovo Xiaoxin Air
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Press win+r at the same time, then type "netsh winsock reset" in the pop-up prompt box and press enter to restart the computer. Mine is also a savior.
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This means that the wifi is not connected to the Internet.
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There are several reasons why a computer is connected to WiFi but there is no Internet access
1. The wifi itself is a problem, and the wifi may not be connected normally, resulting in the inability to access the Internet.
2. Router problems, the router may be overheated or damaged.
3. Broadband arrears may lead to inability to access the Internet.
4. The wifi name contains Chinese, which causes some computers to be unable to connect to the Internet.
5. Computer system problems, there may be problems with the system, resulting in connecting to wifi but unable to access the Internet.
Laptop can't connect to wifi Suggested solution:
1. Use other mobile phones or devices to connect to wifi to try whether you can access the Internet, and rule out the wifi itself.
2. Restart the router to try, or restore the router to factory settings, then dial up the Internet again, and re-open the Wi-Fi according to the setup wizard, or change the router and dial-up to connect to the Internet.
3. Contact broadband customer service to confirm whether there is any abnormality in the broadband account, such as arrears, recharge the broadband, and then dial up to connect.
4. If the wifi name contains Chinese, it is recommended to modify it to English or a combination of English and numbers before connecting.
5. If the above reasons are ruled out, then it is likely to be a computer system problem, and it is recommended to restore the factory settings. See if that solves the problem.
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