Method one:
More than 90% of this problem occurs because the network cable is connected, so first check the network cable connection. If there is an ADSL cat and router, turn off the power and put all Pull out the connecting line, check carefully whether the crystal head is dirty, or whether the metal contact is dropped, etc. After the test, re-plug it, try it again, or try another good computer connection. To verify whether it is a problem inside the computer or a problem with the external network of the computer. If it is a network problem, please contact the network operator for resolution.
Method 2:
The second major reason is that the NIC is disabled. The problem with the performance is “Error 769”, the solution is to go to the device manager, find the network card, enable it. !
Method 3:
The third reason is that the NIC driver is damaged. You can go to the “Device Manager” to see if there is a yellow warning sign on the NIC. If so, That is the NIC driver is damaged, you must re-update the NIC driver.
Method 4:
Repair Winsock and TCP/IP with a command prompt fix. & nbsp; Start - "Run -" type netsh winsock reset -> Press Enter (Enter), when the command prompt window flashes, restart the computer.
Method 5:
If you want to install this netcfg.hlp file, you can find the netcfg.hlp file in the I386 directory of the installation CD, and then copy it to your computer's C drive Windowshelp directory. And then restart your computer.
You can also copy the netcfg.hlp file to the Windowshelp directory of your computer's C drive under the Windowshelp directory of other computers, and then restart.
Method 6:
The sixth method is to delete the "Broadband Connection" and then re-establish a new "Broadband Connection", which will solve the problem. .
Method 7:
It is possible that the network card is loose or dirty, re-insert the network card, carefully clean the gold finger on the socket with an eraser, and then plug it back in. Make sure the plug is secure. , you can try it at boot.
Note: This implementation is difficult for some people, especially women, because it is more difficult to open the case, so please ask someone to repair it.
Method eight:
If the above methods have been tried, and have not found any problems, surely normal, then you can only reinstall the system, this is no way The way is also the last one.
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