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A couple of fixes
I usually have my MacBook and Powebook hooked up to external monitors and I too have had the problem when I sleep the computer, disconnect the monitor and then reawaken the computer all I get is a black screen. Unfortunately there are a couple of reasons this can happen, and each has its own solution.
When I had the black screen on my MacBook and solutions 1 and 2 weren't working anymore, I didn't have time to troubleshoot and locate the exact corrupt .plist. I didn't narrow the problem down to either a. Hardware problem or b. .plist problem so I did an archive and install to determine a or b and the problem has vanished. So I am guessing it was b. but that is a very good guess. As for the corruption happening when unplugging USB or Firewire devices while safe sleep is writing contents of memory to disk, that is science but anecdotal. I noticed that when I did this (by accident – I thought the computer was all the way asleep) I started having the black screen problems that weren't solved by solutions 1 or 2 above. Thus my reasoning that the unplugging caused the .plist corruption, but I don't know that for sure. Anyway, if it happens again, I'll figure out the exact .plist and submit a hint to this site, but until then, I think this comment will help those who have the black screen which isn't solved by 1 or 2. |
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