What if Win7 Wireless Wifi cannot be connected? Win7 system Wifi can not connect three kinds of failure reasons and solutions

When we are ready to access a Wifi, find out how can not even go in, what should I do? Generally speaking, the problem is basically due to the fact that the WiFi password is incorrect, and the WiFi record saved in Win7 does not match the router. <; The limitation in the router is caused by three points! The following small series will introduce the solution to everyone.

Fault cause one: WiFi password is incorrect

When Win7 laptop is connected to WiFi, if the WiFi password used is not correct, then it is definitely not possible to connect to WiFi.

Workaround:

Please check if the WiFi password you filled in Win7 is correct.

Note: When the notebook keypad is turned on, it will also have an effect. Close the “keypad” before entering the password.

Fault Cause 2: Restrictions in the router

The router can restrict the Internet access in the LAN. If the router is enabled, "Internet Control", "Parent Control", "ld"; Wireless MAC address filtering & other functions, there will be problems with Win7 laptops not connected to WiFi.

Workaround:

We just need to go to the router to turn these features off. Different wireless routers have different setup interfaces. We can log in to the router to find related functions (generally displayed as “Internet Control” and “Security Settings”). Can't find it, you can restore your wireless router to factory settings, and then reset the router to go online, you can solve the problem. (router restore factory settings)

Fault Cause 3: The WiFi record saved in Win7 does not match the router

Workaround:

1, find the desktop "Network" icon, then right mouse button, select "Properties";

2, or right click on the network icon in the lower right corner of the screen, select “ Network and Sharing Center ”;

3. On the Network and Sharing Center page, click <;Manage Wireless Networks>;

4, in the "Manage Wireless Networks" page In the middle, find the name of the wifi hotspot that needs to be deleted, then right click and select “delete the network>;

5. In the pop-up dialog box, click “ Yes, <;

6, re-search wireless, connect, enter the latest password to solve.

Related reading:

win7 system open wifi prompts you lack of a wireless network card 3 solutions

Win7 system prompts "Windows can not connect to the wireless network" The solution to the error message

The above is the introduction of the three fault causes and solutions for the win7 system Wifi can not be connected, friends with this problem can self-check the reasons, according to the corresponding solution to the problem solve!