Win7 does not have a local connection, how to do win7 local connection, there is no solution

win7 local connection has no solution:
Some users who use windows7, in the "network and sharing center" click on "change adapter", found There is no local connection icon on the computer, as shown below; especially after reinstalling the win7 system, this situation is more common.

First, the network card driver problem
1, check for problems
(1), find the & ldquo; Computer & rdquo; icon, right click and choose & ldquo; management & rdquo;

open Windows7 computer Management Options
(2), click <;Device Manager”——>“Network Adapter> If the following NIC list has a yellow exclamation point or a yellow question mark, as shown below , indicating that the network card does not have a valid driver, resulting in the network card not working properly, resulting in the absence of a local connection icon. Display

network adapter card drivers have problems
2, solutions
(1), if you are a Windows 7 brand laptops, branded desktop; you can find a computer with Internet access Go to the official website of your brand computer, find and download the NIC driver, then copy it to your computer with a USB flash drive and install the driver to solve the problem.
Tips: Please pay attention to check your computer model, be sure to download the NIC driver that matches your computer model; otherwise there will be an error and it will not solve the problem.
(2) If your computer is assembled by yourself in the computer city, you can download the driver life network card version. After the program is installed, the network card driver will be installed automatically.
Second, the service program error
If you click on the <;Device Manager”——>“Network Adapter” option, no yellow exclamation point or yellow question mark is found, as shown below , indicating that the driver of the network card is normal; at this time, it may be caused by an error in the network connection management service program. There is no local connection icon on the Windows 7 system.

NIC normally driven
Solution:
(1), while holding & ldquo on the keyboard; Win & rdquo; + & ldquo; R & rdquo; key combination, open & ldquo; run & rdquo; block (& ​​ldquo; Win” button is next to the ALT button on the lower left corner of the keyboard, and the “Win” symbol is the icon for Windows)