What can be done on QQ can not access the Internet

It is estimated that many people have encountered this situation, you can log in QQ, but the web page can not be opened, and this situation is often accompanied by the NIC icon to display the exclamation mark. I will teach you a method here to ensure that it is easy to use. First, enter cmd in the start menu, right click in the command mode and select “Run as administrator” (Win7, please enter it in the run of the start menu). Next, type ipconfig /displaydns to enter, pay attention to leave a space after ipconfig, then look at the cache DNS resolution server address is not a lot? These are the dns cache used by the computer, sometimes, DNS failure It will lead to the problem that QQ can't access the Internet (the role of DNS is to translate IP address - URL). After that, type ipconfig /flushdns to enter (note the space), clear the DNS, try to see if you can access the Internet —— this step is to clear the cache, the system will re-send the routing/operator request DNS server to automatically allocate. Xiaobian also recommends two DNS here, such as 114.114.114.114 (telecommunications DNS) and 223.5.5.5/223.6.6.6 (Ali DNS), which can be manually set in the adapter advanced options of the network card. If you find that the webpage still cannot log in, please come to another command and enter netsh winsock reset. This command can re-initialize the network environment, including IP address, DNS, network card and so on. Note that after the netsh winsock reset is entered, you must restart your computer. If your dial-up link is normal, then 98% of the network is likely to return to normal use at this time, the other 2%, 1% is modest (嘿嘿嘿嘿 … …), the other 1% is your network card Hardware failure (may also be a driver problem), go buy lottery … …