I have Macbook Pro Retina and you guys know it don’t have CD Peripheral and i really didn’t make any Time Machine Back Up. how i get rid of that Gray Screen, i am sharing to you right after recovering ...

6/8 of my servers decided to die on me on Friday night. When I reboot them, they hang on a gray screen before the login prompt. Mouse is movable but they don't respond to any key strikes.<BR><BR>So ...