I recently purchased the Sony vaio laptop having I7 processor with windows 7 installed in it. The performance that it is providing is the best, but it was having some of the problem present in it. The problem is that the wireless LED is switching off at random without I doing anything to it, I am not able to detect why it is happening but it is happening. The switch which is present is on but the Led which is connected to it is not on, so because of that I am not able to connect to the internet, as the connection is only not detected. So can anyone can help me in coming out of this problem.