The computer behaves unexpectedly when you or an application changes the display resolution. Some examples of this behavior include:
- A slideshow doesn't advance when played in Keynote.
- The screen turns a solid blue color or the computer stops responding ("crashes") when you turn on full screen Visuals in iTunes or change the resolution in Display preferences.
Download and install Mac OS X 10.3.3 Update or later to avoid this issue.
If you're not ready to install, these tips can help:
This does not affect video on an external display, if one is connected.
If you need a workaround, you can try this: Put the computer to sleep by closing the lid, then wake it from sleep.