Win8/Win8.1 network connection failure reason

In daily use, if you are prompted to connect or the network is restricted, etc., you may not be able to access the Internet. The cause may be all sides.
such as some incorrect settings of the operating system, hardware terminal settings of routers or broadband cats, hardware failures such as network card cables.
Therefore, this small series will sort out the Win8/Win8.1 network connection failure analysis and solution, hoping to help readers get rid of the annoyance.
Solution:
First, check the network cable
This is also the most special and embarrassing situation.
It's also very easy to troubleshoot. Open the Control Panel and select <quo;Network & Internet‘, Check “Wlan” or “Ethernet”

2. Re-acquiring IP address information
When the network cable is faulty and the network still cannot be connected, this is the IP address of the machine that we need to check.
Under Win8/8.1, use the key combination (Win+X), select the command character (administrator identity), enter ipconfig, and view it.

If the following occurs or the IP address starts with 169, this means that the network card does not get the correct IP address.

If the user obtains the IP address of the Internet through the DHCP LAN, you can use the ipconfig /release command to release the existing IP address information, and ipconfig /renew to obtain the appropriate IP address from DHCP.
Third, the diagnosis of network connection
Under Win8/Win8.1 system, you can use “ Windows network diagnostics & rdquo; check the cause of some problems.
Open the control panel, select <quo;Network & Internet‘, view “Wlan” or “Ethernet” attributes, click “diagnose”, enter”Windows Network Diagnostics<;Check

If you check out the related issues, you can fix them based on the problems found.

Fourth, the network card driver is too new or too old
This requires readers to check their own, the driver is generally issued by hardware manufacturers, and through the Microsoft-certified network card driver.
5. Network Operator Issues
When we enjoy the Internet services provided by operators, don't forget that some of the reasons for not being able to access the Internet sometimes come from the operators.



If it is found that the problem is the operator, such as the QQ, the web page can not open, then you can try to switch DNS to see if it can be resolved.