In my Dell laptop I have windows 7 operating system installed and all the things in my laptop are working fine. from last some days whenever I restart the laptop or I awake the laptop from sleep mode at that time my wireless gets disconnected and after that when I try to connect it again at that time it does nothing. Now after that when run the trouble shooter at that time it says u have no preferred wireless networks". Now please tell me how to fix this issue.
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