No wireless network in Windows 7 is a latest rising a bug for everyone. Solution. Restarting your pc will resolve this but after certain period of time it will disconnect automatically. Its all about power management issue that switches off your wireless adapter. Solution #1 : Control Panel > Hardware and Sound > Power Options Balanced > Change Plan settings > Change Advanced Plan settings Wireless Adapter settings > Power Saving mode Set OnBattery and Plugged in into Maximum Performance On the same dialog box you will see a drop down of Balanced, change to High Performance and Power saver and do the 3 and 4 steps Restart your pc and your issue will be fixed. Solution #2: Windows + R or Run Command Type "services.msc" without quotes Search WLAN AutoConfig > Properties General Tab > Startup type > Automatic Recovery Tab > Subsequent failures > Restart the service Apply > Ok > Restart your pc When i had t...