Win7 connection wifi signal after the exclamation point three reasons and solutions

Win7 connection wifi signal after the exclamation point three reasons and solutions

Fault reason:

1, router networking Success

2, router limit Win7 connection wifi Internet

3, Win7 laptop problem

Solution:

First, router networking failed

If the router is not successfully connected, the connection between the router and the carrier server is unsuccessful and data cannot be transferred. At this time, after Win7 connects to the router's wifi, an exclamation point will appear, prompting limited access rights.

Viewing the router networking status

You can log in to the router's settings interface to check whether the router's networking is successful. Generally, you can view it in the “Internet Settings”, “System Status”, “Wan Port Connection Status”, “Wan Port Settings” and other options.

If the parameters such as server and server are all 0, the router networking is unsuccessful.

If the router is not successfully connected, it may be a broadband failure, or it may be caused by a router setup problem, which needs to be ruled out.

1. Don't use a router first, let the computer directly connect to the cat (home broadband cable), and then test whether the computer can access the Internet normally?

If the computer can't access the Internet at this time, it means broadband. Fault, please contact your broadband carrier to resolve.

If the computer can access the Internet at this time, there is no problem with the broadband itself. The reason why the router is not successfully connected is caused by the setting problem of the router.

2. If it is determined that the router is set up, it is recommended that you reset the router to the factory settings first, and then reset the router to the Internet.

Second, the router limits Win7 connection wifi Internet

First of all, you need to know, on the general wireless router, there are some functions to limit the computer, mobile Internet. Common <;Wireless MAC Address Filtering>, <;Device Management>, "Internet Control"

Tips:

In different routers, the function names used to control computers and mobile phones are not the same. Xiaobian has no way to list them here.

Solution:

1. Log in to the router settings interface, find the relevant functions, and close them.

2, if you are not familiar with the router, it is recommended to restore the router directly to the factory settings, and then reset the router to access the Internet.

Third, Win7 laptop problem

If the router is restored to factory settings, after resetting, other computers, mobile phones connected to wifi can access the Internet, only this Win7 laptop can not connect to the Internet . Then you can determine the problem with this Win7 laptop.

At this point, it is recommended that you use the "troubleshooting" tool in the Win7 system to diagnose and prompt you to operate according to the diagnostic results.

1. Right click on the right corner of the computer and click “Network” & rdquo;small icon ——>Select: Troubleshooting;

2, then Win7 computer will automatically start “difficulty” Answer & rdquo; program, and automatically detect the problem;

3, and then according to the test results prompt, repair.