Even a performing basic check can be an act of supreme intellectual challenge, or is now flatly impossible. Early beta quality.
Console
Explaining the basic sequence of log entries for a Mac waking from sleep, and making a Time Machine backup.
How to understand Console’s log entries for a normal shutdown, and a normal startup.
Was that crash a freeze, a panic, or just a spinning beachball? And what do they mean?
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?
The Eclectic Light Company 