WIN8 search for wireless signal but cannot connect to the Internet problem solving method

First, verify that the wireless network needs to enter a password and the correct password

: If you do not know the wireless network password or password input error, you will not be able to connect to wireless.

1.1) Verification Method:

First, it is recommended to re-enter the need to connect the wireless network after the password observation, if not valid, we recommend that the wireless router password reset or directly cancel the wireless router password to observe whether normal, if normal, you can eliminate the problem of notebook computers

Second, verify that Windows Firewall is turned on

: If Windows Firewall is turned on, it may cause the wireless network to not connect.

1. In desktop mode, press the keyboard "WIN" + "X" key combination to open the Advanced management tool, select "Control Panel."

2. In the Control Panel, select System and Security.



3. In system and security, select Windows Firewall.



4. Select "Enable or disable Windows Firewall" on the left.



5. Set the two network locations on the page to "Shut Down Windows Firewall" and click "OK" below.

Third, verify the network environment is normal

: If there is a problem with the network environment where the notebook resides, there will also be a phenomenon that the wireless signal cannot be connected.

Method One:

After restarting or resetting the wireless router, observe whether you can connect to the wireless network. If you can connect to a wireless network, it is a problem with the router setup that can eliminate the problem with your laptop.

Method Two:

After you replace the other network environment, observe whether you can connect to the wireless network. If you can connect to a wireless network, it is also possible to troubleshoot a laptop problem if the network environment or router itself is a problem.

Four, the wireless network card driver Reinstall

: If you have no problem checking the above settings, you need to reinstall the wireless network card driver.

1. Click the right mouse button in the Metro interface space and select "All applications" in the lower right corner.

2. In "Application", click "SW Update".

3. This will open the "SW Update" Software window, as shown below:

4. Enter the model of the notebook in the upper-right corner and search for it, taking the "NP740U3E-S01CN" model for example.

5. Select the search model "NP740U3E-S01CN".

6. Select "Windows 8".

7. Check the "Wireless LAN Driver" in the driver list and click "Export" below.

8. Locate and open the downloaded wireless LAN driver _10.0.0.209 driver folder.



9. After you open the folder, double-click the application "inst" to install it.

V. The above situation cannot be solved

: If none of the above is resolved, please try the following:

1. You can try to back up the important information in C disk, the notebook's operating system for a key restore