Win7 computer can not access the Internet how to do?

I. Automatic diagnostic method

1, even do not surf the internet, we should first think of the system is not some of the problems, then we need to first on the system network connection to the corresponding settings.

Right-click our network icon, open the network share center, and see what kind of situation our network connection is in.

2, the first in the Network Sharing Center is our current network connection diagram, to see the problem in that location.

A yellow exclamation mark or a red fork is usually found in the area where the connection is problematic.

3, click the yellow exclamation mark or the Red Fork number our system will automatically detect the problem for us, wait for a while the results will come out, can solve the problem system will also give a hint.

4, but also the system prompts can not repair, but in fact, our problem has been resolved, the connection can be again.

Second, manual modification

1, if the automatic repair after or not, that is our network connection settings need to manually make some settings.

Also open our Network Sharing Center, on the left side there is a management adapter option, click Enter.

2, in the inside we can see all the network connections in our computer using the adapter to open the state. Right-click, first we choose the diagnostic operation to see if it can be repaired properly.

Note that the adapter that you choose to diagnose is what we need to use, such as the network cable is the local connection, wireless is the wireless networks.

3, after the diagnosis we need to disable it and then restart the operation.

Iii. Modifying the TCP/IP protocol

1, now the network is currently automatic acquisition, if we accidentally set it to fixed very easily error, resulting in the network can not connect the situation. So the network is unable to connect first to check our network IP settings.

Right-click the computer-clicking the network name.

2. Select Attribute--tcp/ip ... 4, double-click to open, the IP and the following DNS are set to automatically get on OK.

3. Special attention:

If your computer is using a local connection and has just done the system, make sure to call your service provider to reopen the network connection, otherwise you are not connected.

NIC driver must be sure that the installation is correct, here is not much said, if the driver is not installed correctly then do not use the Internet.

Four, software repair

1, we can also use the software to repair, 360 inside there is a good repair function, here it as an example.

2, open 360 software, there is a computer rescue, which has a variety of network repair methods, you can use this quick fix your network problems.