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
Big Things Now Come In Smaller Connections …
The new IOS update IOS 6 is still in it’s beta stages. Many positive reviews are towards this new IOS but one question still leans on everyones mind. Due to the recent reports back in Feb. of 2012, Apple may introduce a smaller dock connection in to their IOS devices. The 30 pin connector we all love and enjoy may be a thing in the past. 9to5mac, has found references to the 9 pin connector in iOS 6 beta 4.
We are 99% sure that the next generation iPhone will come with a smaller dock connector but there is still a lot on uncertainty on who many pins the connection will be.
The code reference above is a piece of cross device code which also adds to the recent rumours that we could see a full refresh of the iOS product line up on September 12th 2012
You can follow the September 12th event live here