My computer can be connected locally but not broadband, but Kugou can access the Internet

The process for handling broadband connection error 678 (remote computer not responding) is as follows:

Step 1: Check whether the modem signal is normal, and restart the modem if it is not. If it is normal, see step 2.

Step 2: Ask the user if they have any software such as a firewall or 3721 Internet Assistant, and if so, suggest that the user log out.

1) Firewall and 3721 Internet assistant post-test: if the fault is solved, the cause of the fault is "user software problem";

2) If the fault still exists, enter the next step to continue processing;

Step 3: Instruct the user to check the NIC status and unplug the network cable

1) If the fault is solved, fill in: the cause of the fault is "PC hardware problem";

2) If the fault still exists, enter the next step to continue processing;

Step 4: If the conditions are met (the user has dial-up software, install the CD (win98 should have a network card driver), it is recommended that the user delete the dial-up software and, and then reinstall the network card driver and install the dial-up software

1) If the fault is solved, fill in: the fault symptom is "dial-up connection timeout", and the fault cause is "PC hardware problem";

2) If the fault still exists, enter step 7 to continue processing.

Step 5: Determine whether the ** line behind the modem is available and whether the splitter is connected correctly

1) If the modem can not be used, and the other ** of the billing number can be used, it is recommended to replace the ** line, and the cause of the failure is "the user's indoor line failure";

2) If all ** of the user's home billing number cannot be used, please call customer service **10000 Telecom (10060 Netcom 10050 Tietong) to report the obstacle. Step 6: If the above processing is invalid or the user cannot do simple cooperation operations, please call customer service **10000 Telecom (10060 Netcom 10050 Tietong) to report the obstacle.

First of all, check the status of the modem ADSL signal light, if the ADSL-Link light flashes (depending on the modem brand, some are DSL, some are WAN, etc.), check whether the buzz is normal (ADSL special line, under normal circumstances, there is electricity (-48V) without bee), if there is no buzzer (no voltage), it means that the line is faulty, call the operator's customer service**, and report the fault; If there is noise, check the connection sequence of the isolation box to ensure that all the phones, including the extension, are drawn from the phone port of the isolation box. Restart the modem and try again, if it still doesn't work, call the operator's customer service** and report the fault; If the modem adsl-link lamp is always on but the PC lamp or LAN-Link lamp is not on, check whether the network cable connected between the modem and the PC NIC is plugged in and whether the NIC is working properly. If all the lights are working properly in the modem, first look at how many network connections there are in the system.

The XP system can be viewed by right-clicking on the desktop and selecting "Properties". Vista and Win7 systems are viewed in the Network and Sharing Center. If there are multiple network connections in the computer at the same time, such as "Local Connection", "Wi-Fi Connection", "1394 Connection", Bluetooth Connection, etc., and the network connection connected to the broadband modem is disabled, error 678 will also be displayed when making broadband dial-up.

Check whether the broadband modem is connected to a wired NIC and check whether the local connection is disabled. If disabled, enable the local connection and prompt that the local connection is connected, then try the broadband dial-up connection.

If there is only one local connection on the computer, you can try to reset the modem, if the broadband connection still has error 678 after resetting the modem, you can change the local IP to modem with the network segment IP, if the modem management IP is then set the local connection IP to (x between 2 and 254), ping under the DOS window, if prompted request timed outUsually, the user's NIC does not have a normal driver, or it is faulty. Also, if the system is equipped with firewall software, check the firewall rules to see if the network connection is blocked.

If the ping modem is enabled and the modem signal is normal, the fault point is at the local end or above link. Call your carrier** to report the fault.

There are many situations, first of all, please check whether your network fee is in arrears, if not, please check whether your network port is good (check whether the network port indicator is yellow and green), if not, please check whether your network number has been tampered with (call customer service** for inquiry). If not, please check whether there is a problem with your network adapter (right-click on the properties of my computer to see if the network adapter of the computer device is fully configured), if there is a problem, there is a driver where others have a network. Basically, these are these problems, even if it is a virus, it is estimated that it is a destruction of the driver.

Does the computer access the Internet through the router? Or is it directly connected to the cat to the Internet?

1) 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.

2) 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. In there is a factory reset, it can be used from the new settings (this is under the premise that the physical return connection is correct).

If it can't be solved all the time, it is recommended to give the router's customer service a call**, they have **** guidance, I encounter problems that I can't solve by myself, it is useful to consult the advice they give, and they will give correct suggestions for your pure hunger settings or operations.

3) If it is caused by a system problem, it is recommended to restore the system or reinstall it.

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.

Exclamation mark indicates that the network connection is abnormal, you can change the network cable and try it.