Hi,
Local Area Connection adapter is your Network Adapter. You can fix the problem by configuring some power setting on your computer.
Follow these steps:
a. Go to start and then click on Control Panel.
b. Now click on Power options.
c. Then click on Change Plan settings.
d. Now click on the option, “Put the computer to sleep”.
e. From the drop down menu, select “Never” and click on Save Changes.
f. Now click on “Change advanced power settings”.
g. Expand “wireless adapter settings”.
h. Then expand power saving mode and select the option “Maximum performance”.
i. Click on Ok.
Also refer this link for additional troubleshooting steps:
http://windows.microsoft.com/en-US/windows7/How-do-I-fix-network-adapter-problems
Regards,Afzal Taher - Microsoft Support. Visit our Microsoft Answers Feedback Forum and let us know what you think.