Was that crash a freeze, a panic, or just a spinning beachball? And what do they mean?
Console
After another system freeze, it is clear the problems in El Capitan are not fixed in 10.11.5.
Have you glanced at your logs recently? Are they full of incessant message diarrhoea?
I went to close an enlarged view of a painting, and a Macintalk-like robot voice announced that my Mac was compromised.
What do you do when your Mac seems to have restarted quietly when it should have been asleep?
When I leave my iMac to go to sleep, it cannot be woken and seems to have shut down. Is this a fault?
After a difficult install, El Capitan nows spends much of the time beach balling. How can I fix it?
When I play low-bandwidth radio on my iMac, it keeps interrupting, but that does not trouble my MacBook Pro. Why?
Once the dust has settled after a major upgrade, check that OS X is running smoothly by browsing your logs.
What has broken when Preview no longer opens PDF documents? The answer is more complex than it might appear.
The Eclectic Light Company 