Lenovo G480 Wireless network out of line

Source: Internet
Author: User
Tags lenovo

Failure phenomenon:

When you use a wireless network, you often drop the line or have a limit, or sometimes there is a yellow exclamation mark on the Internet sign on the lower right corner, as shown in the following illustration:

Solution:

1. First look at the wireless signal strength is good (please refer to the figure below), generally more than three grid relatively stable, if the signal is less than three lattice, it is due to signal instability caused by the inability to access the Internet or often drop the line. If your network environment signal is really weak, you can consider putting the notebook near a point in the location of the router, as far as possible not to cross obstacles.

2. If it is not due to weak signal caused by the inability to access the Internet, please refer to the following processing method:

If your operating system is Win7

(1) Access to the Control Panel---Network and internet---Network and Sharing Center---Manage wireless networks, select the wireless network that you are using, click Delete (as shown below), and reconnect to the wireless network;

(2) If the above scheme (1) is invalid, please continue to find the desktop computer icon right click Management---Device Manager---network adapter inside find their own wireless card right click Properties---Power management---Remove the "allow the computer to turn off this setting to save power" tick;

(3) If the above scheme (1) (2) is invalid, please click here to enter Lenovo official website, enter the notebook host number, download the corresponding system under the wireless network card driver, and then the new installation of wireless network card driver, after installation restart the computer to new wireless connection.

If your system is a WIN8 system

Please download the batch processing tool in the attachment: "Wireless Limited", after decompression, right key to run as administrator, restart the computer;

(2) If the above scheme (1) is invalid, enable "Federal Information Processing Standards (FIPS) compliant" to enhance network compatibility;

Enable method: Right-click the connected AP signal, select "View Connection Properties" Click "Security" "Advanced Settings", check "enable Federal Information Processing standards (FIPS) Compatibility" as shown below, without this option, it is recommended to the wireless router encryption method or encryption algorithm to AES; Different brands of different types of router setup methods, please refer to the router manual or router manufacturer. )

(3) If the above scheme (1) (2) is invalid, please roll back the wireless card driver to Microsoft's own driver select "Device Manager", right-click "Wireless Network Card Properties", click "Driver", select "Rollback Driver", the following figure:

(4) If the above scheme (1) (2) (3) is invalid, enter the notebook host number, download the corresponding system under the wireless network card driver, and then the new installation of wireless network card driver, after installation Restart the computer reconnect wireless.

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