Solution: Contact the local network provider, Tietong 10050.

Reason 2: the network cable is not connected properly or the network cable is faulty.

Solution: Plug in the two connectors of the network cable again;

If the network cable fails, please replace the network cable.

Cause 3: Modem failure.

Solution: Turn off the power for about 5 minutes, then reconnect and start the modem.

Reason 4: System failure.

Solution:

1. Replace system files

Copy the raspppoe.sys file in the directory c:\windows\system32\drivers from the system that can dial normally and replace it.

2. File permissions

Grant administrator rights to the directory C: \ Windows \ System32 \ Logfiles \ WMI in the system, right-click the WMI folder, and then click "Get Administrator Rights". If not, double-click directly.

3. The driver problem of the network card

Because Windows 7 is a relatively new system, uninstall the network card in Device Manager, and then restart the computer. After startup, win7 will automatically install its own driver.

4. Set the network card manually.

Find your network card in Device Manager, click Properties, find the Advanced tab, find the speed and duplex in the list menu, and set it to 100M full duplex.

5. Restart the computer and re-create the broadband connection.