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
Apple Release World First Thunderbolt Display
In todays news Apple has replaced its Cinema Display with a new replacement the “Thunderbolt Display”.
Looking at it from the outside not much has changed with the 27? LED, glass-covered display. Inside, however, it is a brand new game.
On the back, the new display supports a Thunderbolt port, three USB ports, a FireWire 800 port and Gigabit Ethernet.
As before, the included cable has a built-in MagSafe adaptor, but gone is the seperate USB and video connections , The thunderbolt is the main feature which everything is driven through . The display also includes built-in speakers and iSight HD camera.
The new Thunderbolt Display is $999 and available NOW
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