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Avoid Kernel Panics upon waking MacBook
Authored by: Ilo on Jan 22, '09 10:38:32AM

I have also been switching back and forth between an external monitor in clamshell mode and the internal monitor this several times a day for years (iBook, PowerBook, MacBook Pro, but never a MacBook). I occasionally see the internal screen fail to turn on, but never a kernal panic. I have never had to reinstall the OS, at most I just have to restart somehow to fix the dark screen problem. I've only seen a kernal panic on waking once, and that was when I was accidentally dislodging a USB device and reconnecting it while the OS was in the middle of using it. My most common problem is that the OS frequently forgets to rearrange all the desktop icons to fit in the screen, meaning some are "hidden" off the edge of the desktop, with no way to scroll to them. All I have to do to fix it is change the screen resolution to something else and then change it back. That forces a refresh of the desktop icon positions.

I do agree, though, that the first step for troubleshooting this is to reinstall. Even better, see if you can duplicate the problem when booted from a clean factory stock OS image (or just the installer DVD) If so, then you have a hardware problem.

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