The computer broadband connection suddenly cannot be displayed, and a network problem is found

If a broadband fault occurs, you can use the following methods to troubleshoot the fault:

1 Use stand-alone dial-up, if you are using a router, please temporarily disconnect the router for testing;

2 Restart the modem and the computer;

3 Re-create the broadband dial-up connection and try to dial again. How to do it: Start the Program Attachment Communication New Connection Wizard.

If the self-troubleshooting still does not recover, you can contact human customer service to report the fault, and we will deal with it for you as soon as possible.

Summary. One could be because there was a problem with the router, and then you check to see if there is an official network on it, and the second is that. Check to see if there is a problem with the computer network settings, you can use 360 to check it.

The computer broadband is connected but the network that shows unrecognized yesterday is still good, how to solve it.

One could be because there was a problem with the router, and then you check to see if there is an official network on it, and the second is that. Check to see if there is a problem with the computer network settings, you can use 360 to check it.

Set up**.. Mobile phone network is also available.

If the phone can be used, it should be a conflict between the router's firewall and the computer's application, you can restart the computer to try, if it still doesn't work, find the 360 network settings to fix.

It didn't work even if it was repaired this morning.

How to get this.

Summary. Hello Kiss is happy to answer this question for you. 1. Sometimes the system shows that it has been connected but is not really connected to the Internet, you can disconnect and reconnect again to see if it can connect normally, or restart the computer once; 2. It may be that you have turned on the network before**, you can reset the network settings and browser, and then restart the browser; 3. You can also use 360 and other security butler software, open the first aid kit when the network is disconnected, scan and diagnose what is the reason for not being able to access the Internet, and after repairing, restart the system once; 4. It may also be due to your broadband reasons, check whether there is any arrears and whether there is a prompt of abnormal optical signal on the modem;

The computer shows a broadband connection, but no internet.

Hello Kiss is happy to answer this question for you. 1. Sometimes the system shows that it has been connected but is not really connected to the Internet, you can disconnect and reconnect it again to see if you can cancel the normal connection or restart the computer once; 2. It may be that you have turned on the network before**, you can reset the network settings and browser, and then restart the browser; 3. You can also use 360 and other security butler software, open the first aid kit when the network is disconnected, scan and diagnose what causes the inability to access the Internet, and after repairing, restart the system once; 4. It may also be due to your wide front knowledge belt, check whether there is arrears, and whether there is a prompt of abnormal optical signal on the optical modem;

How to reset. I'm not linked to any network right now.

Use 360 and other security butler software to open the first aid kit of the broken He network, scan and diagnose what causes the dust to be unable to access the Internet, and after repairing, restart the system once;

Hello, do you have antivirus software on your computer?

There used to be, but it seems to have been uninstalled by me, not for the time being.

If not, check if there is a problem with your broadband.

There may be a DNS setting problem, and the following is how to modify the DNS:

1. Find the network connection and click to enter.

2. After entering, find the "Open Network and Sharing Center" item and click to enter.

3. After opening the Network and Sharing Center, find the "Local Connection" item and click to enter.

4. After entering the local connection, find the "Properties" item and click to enter.

5. After entering the properties, find the "IPv4" item and click to enter.

6. After entering IPv4, click Use the following DNS server address, then enter, and finally click OK.

1. Open the "Run" dialog box (or press Win+R) and enter the command "cmd" to enter the MSDOS interface. 2. Enter the command "ipconfig all" in the msdos page, and you can view the local gateway and DNS information in the displayed result page. 3. Open the "Control Panel", double-click "Network Connection", then right-click "Local Connection", and select "Properties".

There are several possibilities that the computer display is normal and the network connection is also normal: 1. It may be a problem with the network settings, and you need to carefully check the network settings of the computer. 2. It may be a problem with the NIC driver.

Broadband is connected, but there is still no network - this situation is most likely due to the lack of a network card driver. You can use it on other computers.,The next 10,000-network driver.,And then install it on this computer.。。。

If there is a conflict of IP addresses that need to be identified all the time, setting a fixed IP address can solve this problem. The landlord's computer cannot access the Internet according to the following methods.

To see what the error prompt is, it's best to call ** to customer service.

The situation in Fuzhou is that the optical modem has four LAN ports, the first can be connected to the Internet to the computer, and the first can be connected to the TV. If you have the wrong interface, you can't use it. Ask the network operator specifically.

The solution is as follows:

1. First click on "My Computer" and then select C drive.

2. Find the "Windows" folder, click in to find the "System32" folder.

3. Find the "cmd" file, and right-click "Run as administrator".

4. Then type "netsh winsock reset", then press the enter key, and finally restart the computer.

Extended information: Broadband connection in basic electronic and electronic communication is to describe the continuation or electronic line contains or can handle a wide range of frequencies at the same time, it is a relative way of description, the larger the frequency range, that is, the higher the bandwidth, the transmission of data is relatively increased.

Common broadband connection errors**:

601 Invalid port handle detected.

The port specified by 602 is open. The COM port that the network connection is attempting to use is being used by other active network connections or other processes (for example, a line monitor such as a fax program).

Quit applications that block the use of the COM port.

The 603 caller's buffer is too small.

605 Cannot set port information.

The port specified by 606 is not connected.

607 Invalid event detected.

The device specified by 608 does not exist.

The buffer specified by 610 is invalid.

The route specified by 611 is not available.

The route specified by 612 is not assigned. This error can also occur when the computer is running at a very low resource condition.

The compression specified by 613 is invalid.

If the broadband is not available, please first confirm whether the broadband is suspended due to arrears, and if so, please recharge first.

If the mobile broadband fails due to non-arrears, we recommend that you perform the following operations:

Restart the modem and plug the fiber connector back in before surfing the Internet.

Determine the status of the modem indicator, for example, whether the WAN indicator is solid or flashing when the port is connected to the modem normally;

Remove the router, create a broadband connection, and reconfigure the router;

If the above methods still do not solve the problem, you can call the local 10086 to report the broadband fault.

If a broadband fault occurs, you can use the following methods to troubleshoot the fault:

1 Use stand-alone dial-up, if you are using a router, please temporarily disconnect the router for testing;

2 Restart the modem and the computer;

3 Re-create the broadband dial-up connection and try to dial again. How to do it: Start the Program Attachment Communication New Connection Wizard.

If the self-troubleshooting still does not recover, you can log in to the mobile phone business hall Customer Service Broadband Fault Report for feedback, and we will get in touch with you as soon as possible.

The computer shows that the broadband connection is successful, it should be a problem with the router and the cat, turn it off all and restart it after five minutes.

Turn off the network cable, stop for a while, and then start it to see how it works.

Go to Internet Explorer and open a **, which will take you to the page of Netcom. Write down your username and password, press enter, and you're on. I've tried, and it's very smart.

It may be a Trojan in the system, try reinstalling the system.