Solutions for wireless restricted access problems with Windows 8 pre-installed with y400/y500

Source: Internet
Author: User

Recently, more friends feedback using y400/y500, pre-installed Windows 8 system, connect the home router AP, high probability of wireless restricted access to the situation, there is a problem after the need to reconnect WiFi, the lower right corner of the network exclamation point icon. The following figure:

After analysis, the user model configuration of the wireless card is Broadcam 4313. This issue can be resolved by changing the wireless network card properties, the compatibility of the NIC with the router, and Microsoft's latest window 8 operating system, which is not a hardware failure of the machine.  Operation Steps: Step one: The wireless network card automatically save the option to turn off. Click "Device Manager", select "Wireless network card Properties", click "Power Management" to remove the "Allow computer to turn off this device to save power" option, as shown below:

Step Two: Enable Federal Information Processing Standards (FIPS) compatibility enhanced network compatibility right-click the connected AP signal, select "View Connection Properties" Click "Security" "Advanced Settings" to check "enable Federal Information Processing Standard (FIPS) compliant" as shown below, without this option,  The recommended way to encrypt the wireless router. Change to AES encryption method:

Step three: Roll back the wireless network card driver Select "Device Manager", right click on "Wireless network card Properties", click "Driver", select "Rollback Driver", the following figure:

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