Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Microsoft Surface Pro Vs iPad 3
Microsoft has just showcased their new tablets and we decided to put it head to head to head with its biggest competitor the new iPad ( iPad 3 ). Microsoft were very secretive with a lot of specifications including price , availability and also if any 3G or 4G chips were included.