My laptop wont connect to the internet it says no connections are available

[higgins12]

help ive been able to be on the internet on my laptop easily it would stay connected but since yesterday all the sudden i cant get on it ive tried about everything help! it says that its not connected and there are no internet connections avalible. please help

 

[PhilFrisbie]

Did you accidentally turn off the wifi? Most laptops have a switch or a key combination that easily disables and enables wifi for airports or public places.