What happened to my internet connection? What should I do if I am connected to the Internet and cann

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 the group is using a home network, it is recommended to connect to other WiFi or bring a personal hotspot on your mobile phone 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) It is recommended to search for Restore Network Settings in Settings and follow the on-screen prompts to restore. (Note: This restores the Wi-Fi, mobile data, and Bluetooth connection records and deletes the Wi-Fi and Bluetooth connection records).

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.

If the problem persists after trying the above methods, it is recommended that you back up your data (third-party applications such as QQ and WeChat need to be backed up separately) and bring your purchase voucher to the Huawei Customer Service Center for testing.

Huawei Customer Service Center.

Repair spare parts** inquiry.

Boarding service.

Can you elaborate on that? Is it suddenly unconnected??Or what's going on?

yes, we can't tell you what it's all about.

Right-click on my computer to open the properties, and then look at the device management in the hardware to see if your network card driver is normal, if not, reinstall the driver.

There are three conditions that are required for network connectivity.

First: whether your network card and network cable are in good condition (hardware).

Second: whether the external (internal) network you are using is still providing services (transmission) Third: whether there is a problem with your settings (software).

You see if all of the above are good.

If your mobile phone cannot access the Internet normally, please check the following conditions:

Check whether you have upgraded to 4G**, it is recommended to restart your phone (if you upgraded to 4G last month, it will take effect this month, and you need to restart your phone before you can surf the Internet normally);

Check whether there is a Senbi network, it is recommended that you can use it in a place with a strong signal;

Check whether there is still a credit in the account, if the balance is insufficient, you need to recharge before you can use it;

Confirm whether the parameters of the mobile phone have been set;

Check whether the USIM card is inserted, if it has been inserted but still cannot be used, it is recommended to go to the business hall to check whether the USIM card is faulty, or replace the card for testing;

Check if there is any problem with the phone, it is recommended that you change the phone for testing.

If your mobile phone reaches the maximum data limit in the current month, the system will automatically disable your data functions such as Internet access, MMS and mobile phone newspaper, and automatically activate it in the next month.

If the above situation has not been resolved, you can contact the local customer service to deal with it.

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1. Can't connect to the wifi network:

1. Go to Settings - Application and Permissions More Settings - Application Management - ("More" in the upper right corner and select "Show System Processes") - Find WLAN - Click Storage, select Clear Data and Cache, and then reconnect to WiFi to try (some models enter Settings - More Settings - Applications - All - Find WLAN);

2. Check or reset the settings of the wireless router, try wired broadband or replace a new wireless router (at the same time, the network speed of wifi is related to the distance from the router, the bandwidth of the broadband and the number of people connected);

3. Go to Mobile Settings - My Device - Funtouch OS Version iQOO Monster UI Version, (some models need to enter Settings - System Upgrade) to detect and update the system; Upgrade to the latest system and try to connect again;

5. Take your mobile phone to the vivo customer service center for processing (customer service center address: enter the vivo official website APP--service--my service--service outlets--select the province and city to query the customer service center address information).

2. Can't connect to the data network

1. Change to a location with a better network environment or enter the mobile phone settings - mobile network dual SIM and mobile network - access point - change the access point to try (avoid being in a closed room, surrounded by tall buildings, poor network signal coverage and other environments);

2. Switch to 4G network use;

4. It is recommended to change the time period and use different software to use the data network for comparative observation.

Error 678 Resolution 1-6

1. First confirm that the adsl modem dialing is normal, because the IP automatically obtained by the network card is not cleared, so the network card cannot get the new IP address when dialing again, the operation method is: turn off the adsl modem, enter the network connection of the control panel and right-click the local connection to select disable, right-click the local connection to select enable after 5 seconds, and then turn on the adsl modem dial-up; 2. If the first step is invalid, then in the case of turning off ADSL MODEM, still disable the local connection (network card), restart the computer, and then enable the local connection (NIC) and then turn on ADSL MODEM to solve the problem; 3. If the above steps cannot be solved, check whether the network card light is on, if the network card light is not on, refer to the dispatch knowledge base: "the network card light is not lit or often does not light up" solution 4, if the network card light is normal 1, 2 steps can not be solved, then lead the user to uninstall the network card driver, reinstall the network card driver, if the user XP system according to:

Knowledge number: 9973, how to set up ADSL dial-up connection under WinXP method leads the user to create a dial-up connection, if the 98 system recommends that the user install rasppoe software or ehernet300 software connection. 5. If the above operation is invalid, contact the telecommunications department to confirm the port.

Failure of the modem is the main cause. 7.If multiple computers are using routers to access the Internet, you can try removing the router and connecting to InterNT.

If you can access the Internet smoothly, it means that the router is faulty, and you should troubleshoot the router or replace it with a new one. 8.If you are an ADSL annual subscriber, if this situation occurs during use, it may be in arrears, please consult the customer service center.

In some areas, China Telecom or China Unicom users, in the case of arrears, can get through, but can not access the Internet, at this time it may also be in arrears, because now the telecommunications departments in some areas are not in arrears, but stop the use of the network. 9.The lack of power supply of some brands of modem is also prone to error 678 10

If none of the above methods can solve your problem, you can try the reset of the adsl modem two or three times and try again. Damage to the modem device will also cause error 678, although on the surface it seems that the adsl modem is working normally, but the connection failed, the author has encountered this kind of problem, and finally changed to a new adsl modem party to solve the problem. 12.

Poor contact between the cat wire and the splitter will also cause error 678, there is no problem when the contact is poor, there is no problem with playing **, broadband can occasionally be connected, but it is easy to drop, or report error 678, the author has recently been troubled by this problem, the cat has changed one, and then unintentionally reconnected the cat line, it is actually good, tell everyone, I hope it helps.

I don't know what's wrong, it's just that it's not good to make it late!