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Won't boot - at allI have a MacBook Mid-2009 2.1 GHz. I've tried booting (with power adapter connected) from the internal and a bootable externa...
kernel panics on a dozen different machines / modelsI maintain 120 Macs & have had very few kernel panics over the years. Over the past few months, I now have a dozen iBooks tha...
MacMinis won't turn onI've left it totally disconnected for days, reset the SMC following Apple's directions (listed at bottom of this post), and a...
Won't power on - at all. What to do/replace?School computer for student use was brought to me with complaint: running on battery-only, unexpectedly powered down. I charg...
回答“kernel panics on a dozen different machines / models”It's a bit early to say, but I think I've been bitten by the "Dual-band Airport causes kernel panic" issue described in this Apple Discussion post many months ago. It's actually a Tiger bug. I guess it says something about my search skills that I spent MANY hours looking for a fix, and only after reluctantly coming to the conclusion that I was going to have to jettison nearly two dozen iBooks did I stumble upon the above link by accident. It's only been hours, not days or weeks, since I applied this fix, but a couple of machines - that KP'd almost on startup - are still running. If my enthusiasm for this fix is dampened by reality, I'll post here again.