Had my Mac frozen, or was it just very busy running tests on the boot disk? When I forced it to restart, what did the log reveal?
Is there anything more irritating than that spinning coloured wheel, or beachball, which stops you from getting on with a task? This explains why, and what to do about it.
Can you tell the difference? What is the significance of each, and do you know what to do about them? An introductory guide.
From 10.8 onwards, you will not see the classic grey display, but your Mac will spontaneously restart or shut down. Here are the details, and what to do next.
Handling of kernel panics shows a series of fundamental flaws in El Capitan, which can occur on any Mac.
Does El Capitan suffer the most evil bug of all, which suppresses the normal kernel panic process?
For 3 successive releases of El Capitan over a 4 month period, some Macs keep freezing. No operating system should ever collapse like that.
Was that crash a freeze, a panic, or just a spinning beachball? And what do they mean?
For the last 15 weeks, this iMac has been freezing sporadically. I have run out of ideas, and hope that 10.11.6 fixes the bug.
I may at last have found a way to reduce the frequency of freezing in OS X 10.11.4 and later.