I bought a 17 "MacBook Pro with Snow Leopard in October, and since then to get out of a computer program from time to time blocking. As mentioned above, the cursor disappears; the screen locks video but the audio still works and even control the keyboard (function verified by audio, of course, since the screen is locked). This happens more often with iPhoto, nevertheless it has happened at least once with all programs used. Whether the program is stop via command-Q, File / Exit or dialog in an application. To accurate the trouble should be forced to restart the computer system by holding the power button. This is incredibly maddening. Anybody else knowledge this or parallel? If so, any solution?
Difficulty: After you exit an application (either by command-Q, a menu or dialog application closes) the freezing of a draft: cursor disappears, locks, video display, but the music and controls workload yet. This seems to happen with any program from time to time, but more often with iPhoto.
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