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1. Does your wireless network have a password, if you have a password, it may be that your password is entered incorrectly, but you can still connect to the wireless network. However, it cannot be assigned to your IP address. In this case, you can't spell the external network, including the wireless router.
2. Whether you specify a static IP address or a dynamically assigned IP address, if it is static, it may be that your IP address is not in the IP address segment assigned by the wireless route. Then you have to find the gateway of the router, go into the router and look at the range of assigned IP addresses, subnet masks, gateways, DNS, etc. Then set up your PC accordingly.
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Do you configure your own router with a wireless network, or do you connect to someone else's?
If it's your own network, then first make sure that your router is working properly You use a network cable to connect directly to see if you can surf the Internet, if it can mean that the router is basically fine, if it still can't, then you can restart the router or even restore the factory settings after setting up the connection to try.
If it's not your own wireless network, then there may be a lot of problems, signal problems cause you to be able to connect but not be able to access the Internet, if you are a win7 system, you can see if you can access the Internet, right-click the lower right corner of the network icon, open the network center to see.
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The wireless network shows that it cannot connect to the network for the following reasons:
3. Check whether the router has a blacklist or whitelist.
4. Turn the router off and back on or reset it to factory settings.
5. If access is refused when you connect, confirm whether the router has enabled MAC address filtering (black and white list), please restart the router after resetting it.
Precautions for using wireless network security:
1. Try to use free Wi-Fi as little as possible, especially if there is no password. Because hackers can build their own copycat wireless networks, they will steal your secret and reputation code.
2. Do not use free Wi-Fi for online banking transfer and remittance.
3. You can't use the free Wi-Fi network to buy things online.
4. When conducting financial operations on the Internet, try to use the traffic of your own package to access the Internet and use the paid wireless network.
5. When conducting financial operations on the Internet, try to use the client operation of the payment software, and the security is higher than that of the third-party browser. <>
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First of all, to be clear, the Wi-Fi shows that it is connected, which only means that you are connected to the Wi-Fi. But it is unknown whether this wireless network can access the Internet. Usually there may be several problems that are caused by:
Broadband operators are unable to connect to the Internet at all, such as broadband arrears. Generally, according to the operator you use, call ** or log in to the online self-service inquiry.
Automatic dial-up Internet access, whether the broadband password set is correct. Log in to the default router address, enter the router password, and check whether the broadband password is correct.
The router itself is limited in connection. Check the port control of the router, whether your device is restricted, or the number of links has reached the maximum, if so, it is recommended to change the wifi password and remove your own restrictions.
Local links don't get DNS. Check the DNS settings for the local link, and if it's not auto-fetched, set it to automatic.
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Reasons: 1. If the wifi shows that it is connected but cannot access the Internet, in most cases it is caused by the unsuccessful networking of the router, that is, there is no connection between the router itself and the operator's server;
Second, the routing hall is set up in the "Internet control", "wireless MAC address filtering", "parental control" and other functions.
Solution: 1. Check whether the router is successfully networked;
Second, the router is not successful in networking:
1.Remove the router, let the broadband directly connect to the computer, and then test whether the computer can access the Internet normally;
3.If the computer can access the Internet normally, it means that the Internet connection settings in the router are faulty. At this point, you need to set up your router network again.
3. The solution when the router is successfully networked:
1.Turn off "Internet Control";
2.Close"Wireless MAC address filtering";
3.Turn off Parental Controls.
4. Restore the router to factory settings: reset the router networking, reset the router wifi name and wifi password.
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The Wi-Fi network shows that it is connected but cannot access the Internet, which may be caused by the following reasons:
1.Network failure: The wireless network connection is normal, but due to network failure, the Internet cannot be accessed normally. You can try restarting your router or contacting your network operator to troubleshoot.
2.Wireless signal interference: There are other wireless network signals in the vicinity, resulting in an unstable wireless network connection. You can try changing the wireless channel or replacing the wireless network device.
3.Wi-Fi device failure: The Wi-Fi device is faulty, resulting in the inability to access the Internet. You can try to replace the wireless network device or contact the device vendor for troubleshooting.
4.Incorrect Wi-Fi password: The Wi-Fi password entered is incorrect, resulting in failure to access the Internet. You can try re-entering the correct wireless network password at the beginning of the line.
5.Network settings: The network settings are incorrect, resulting in the inability to access the Internet. You can try checking your network settings or reinstalling the network drive digital program.
If none of the above methods persistent, we recommend that you contact your network operator or technical support personnel for troubleshooting.
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If your wireless network says it's connected, but you can't get online, here are a few steps you can try to fix the problem:
1.Check other devices: First, check if other devices can connect to the same wireless network and surf the internet normally. This will help determine if the problem may be with your personal device or related to the wireless network itself.
2.Restart your device: Try restarting your computer, phone, or other device, sometimes something as simple as this will fix the connection issue.
3.Check your network settings: Make sure your device's wireless network is set up correctly. Check that you have enabled the correct network connection, that you have entered the wireless network password correctly, etc.
4.Forget and reconnect: Forget your current wireless network on your device and reconnect it. This helps clear possible connection issues while letting you re-enter a new wireless network password.
5.Change DNS settings: Try changing your device's DNS settings. You can change your device's DNS server settings to a public DNS server such as Google's and to fix possible DNS-related issues.
6.Make sure the wireless signal is strong: Make sure your device receives a strong enough wireless signal. If the signal is weak, you can try moving your device closer to your wireless router or increasing the router's signal range (for example, by using a signal amplifier).
7.Reset your wireless router: If the above steps didn't fix the problem, you can try resetting your wireless router to factory settings and reconfiguring and setting it up.
8.Contact your network provider: If the problem persists, it may be due to an issue with your network provider. You can contact your network provider and report your problem to them so they can provide further support and guidance.
Note that some of these steps may require you to have some technical knowledge, or some understanding of device settings. If you're not sure how to perform these steps, it's best to seek the help of a professional to ensure that the issue is properly resolved.
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If you are using China Unicom Broadband and cannot connect to the computer to access the Internet, there may be the following reasons:
1. If the broadband is in arrears or expires, you need to pay or renew it in time.
2. If the network cable is loose, both ends of the network cable need to be plugged in tightly.
3. If the device is used for a long time, you can turn off the power of the optical modem, router, computer and other Internet access equipment for a few seconds, and then turn on the power supply and restart.
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1. Check your phone's settings.
Go to Settings - Other Networks & Connections - Private DNS to see if Private DNS is set, if so, it is recommended to set Private DNS to off and try again.
2. Check WiFi
Please compare whether the same wifi connection is normal with other mobile phones, and confirm whether it is the wifi or mobile phone. If it is wifi, please restart the wireless router to view. Some public Wi-Fi networks require browser authentication before they can connect to the Internet.
3. Check the network permissions.
Please go to iButler - Traffic Management Traffic Monitoring - Network Management - WLAN - Turn on the software networking permission.
4. Check the environmental causes.
If the phone is far away from the router, although the wifi signal is displayed, it may not be able to access the Internet, it is recommended to adjust the distance between the phone and the router before trying.
5. Reset the network settings.
Resetting network settings will delete the connection records of WLAN, mobile data network, Bluetooth and other networks, you can go to Settings - System Management - Backup and Reset - Reset Network Settings - Reset Settings - Follow the prompts to operate (you need to select the corresponding SIM card when dual SIM).
1. Enter the cloud service - data synchronization - turn on WLAN, Bluetooth, etc. to synchronize data to the cloud service.
2. Go to "Cloud Service" -- Device Cloud Backup -- Backup Data Type -- Open "System Data" -- Return to the previous page -- Back up now, and back up some system settings data.
6. Reset all settings (do this when you can't see the reset network settings menu).
This action does not delete the software or files, only resets all the settings; For data security, you can back up important data before operation.
Note: Go to Cloud Service - Device Cloud Backup - Backup Data Type - System Data - Return - Back to Back Up Now to back up some system settings and desktop layout; Cloud service--Data synchronization--Turn on WLAN, Bluetooth, etc. to synchronize data to cloud service.
7. Service center testing.
If the above methods fail to help recover, the customer service center needs to detect and process, the customer service center address: enter the vivo official website vivo**app--my--service network call the sail point after-sales outlets--select the province and city to query the customer service center address;
Tips: It is recommended to bring relevant purchase vouchers (such as: purchase invoice, warranty card, ID card) when you go, and consult the staff of the consulting center in advance to ensure that the staff go again during normal working hours, avoid empty running, and pay attention to safety on the way to and from the service.
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The wifi signal is strong but it shows that you can't connect to the internet for the following reasons:
1. If the broadband is in arrears or expires, you need to pay or renew it in time.
2. If the network cable is loose, both ends of the network cable need to be plugged in tightly.
3. If the device is used for a long time, you can turn off the power of the modem, router, computer and other Internet access equipment for 10-20 seconds, and then turn on the power supply and restart.
4. If there is a problem with the wifi itself, it will cause the wifi to be unable to connect normally, and you will not be able to access the Internet, or if the broadband is in arrears, you will not be able to access the Internet, so these problems will occur. Contact broadband customer service.
5. If there is a problem with the router, the router may be overheated or damaged, resulting in signal transmission problems. Unplug the network cable and plug it back in.
6. The router has enabled timed dialing, and the current time is not within the time period of automatic dialing. Use it over time.
7. The modem power is turned off and the router cannot dial the network. Plug it in.
8. The broadband DNS server cannot provide domain name resolution services for some reason, and its external phenomenon is very similar to the inability to access the Internet, which is easy to be confused as a network failure, contact customer service.
9. The router is set up with IP address filtering, and the IP address obtained by the mobile phone file is in the IP segment that prohibits access to the Internet, contact customer service.
The principle of wifi
WiFi, wireless fidelity technology, also known as standard, is the same short-range wireless technology used in the office and home as Bluetooth technology. The technology follows a series of standards developed by the IEEE, and there are three main standards: the low-speed and high-speed ones, which are less widely used.
Although Wi-Fi technology also has problems such as compatibility and security, it also has its own advantages, such as a high transmission speed, which can reach 11Mbps and a long effective distance.
In layman's terms: wifi is a kind of wireless networking technology, which used to be connected to a computer through a network cable, but now it is connected to the network through radio waves; The common one is a wireless router, then the effective range of the radio wave coverage of the wireless router can be connected to the Internet by wifi connection, if the wireless router is connected to an ADSL line or other Internet lines, it is also called "hot potato stupid".
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Reasons: 1. Broadband is in arrears or expires, and it needs to be paid or renewed in time; 2. If the network cable is loose, both ends of the network cable need to be plugged in tightly. 3. If the equipment fails, which is caused by the long-term use of the equipment, you can restart the Internet equipment such as optical modems, routers, computers, and mobile phones. 4. The router has turned on timed dialing; 5. The IP address filter is set up by the Lu Tanzhi device, and the IP address obtained by the mobile phone is in the IP segment that prohibits access to the Internet; 6. Operator restrictions; 7. The problem of network frequency surplus and deficiency; 8. The network port is powered off; 9. The modem power is turned off, the router cannot dial the network, and so on.
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Determine if the wifi password is correct.
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Is it a wireless router? The wireless routing settings are incorrect.
It's already given up, it can't be realized, and there is no one.