Win7 does not recognize network solutions

Users using Windows 7 may have encountered a network connection icon in the lower right corner of the taskbar to display a yellow exclamation point. The mouse points to the network connection prompt to not identify the network information. This situation will result in the connection not being connected to the network.
Right click on the computer icon <;Properties" button

Click on the "Device Manager" command in the control panel home bar.

The device manager pops up Expand the network adapter under the window, double-click to open the network card

Switch to the "Driver" label, click "Disable", pop up the dialog box to disable the device will stop it, click “ Yes " ; button

We will find that the "Disable" item becomes "Enable", and finally click on the "Enable" button, click "OK", close the Device Manager window