You don't bother the rookie. The master can't access the Internet after re-installing the system. Reason

When it comes to reinstalling the system, it is an extremely painful thing that every netizen has to experience on a regular basis. Upgrade from XP to WIN7 system, reloading; a system has been used for a long time, the system is overwhelmed, slow to start, slow to run, crashed; the system is not normal, I don’t know why it is awkward, nor will it get; inexplicable The virus, and very stubborn, can not kill, the system files are infected, completely 瘫痪 … … are to reload, haha, everyone thought that today is to explain the problem of reloading, no, no, today is Everyone explained that after the computer reinstalled the system, it found that it could not access the Internet.
Many computer users have encountered similar situations. After reinstalling their computer once, they found that they could not access the Internet. This is hard to break the computer users, what is the cause? How to solve it? Let's take a look at the relevant personnel's summary of this problem:
1. First of all, make sure you successfully install the network card. The new system is to re-establish a connection to the Internet, follow the prompts to do it.
2. Check if the network cable connection is normal. Please ignore this one with wireless.
3. In the local connection property, you can see the small TV set by hooking up the connection notification area icon. Then run cmd ipconfig\ enew. Or set TCP/IP to get it automatically, then run cmd ipconfig\ enew. dial.
4. Reconfirm whether your IP address is correct, especially the preferred DNS server, try again if you can log in to QQ! If you can, it should be your IP problem.
5. Data can be sent and received. If your gateway settings are correct, you can use ipconfig/flushdns and then use nslookup to see if you can resolve a website.
6. There may be a reason for the router: enter the routing IP to enter, reset the account password, and connect. If the connection is not available, the account password may be incorrect. Unplug the route and try to connect the cat directly.