How can you tell whether your Mac supports Continuity, whether you bought an app from the App Store, and diagnose extension problems?
diagnosis
How can you look for error messages preceding an app crashing, or when your Mac panicked and automatically restarted?
So how do you check your logs to see if backups have been made correctly? Forget Console – you’ve got to use Terminal.
After a near-panic and interminable spin, it proved impossible to get useful diagnostic information. Here are some tools and techniques which should still be useful.
Even a performing basic check can be an act of supreme intellectual challenge, or is now flatly impossible. Early beta quality.
Something odd has happened to your Mac. Last time you used it, it worked fine, but doesn’t any more.
How to run individual components from sysdiagnose.
Looking in greater detail at what you can get from running sysdiagnose.
When you have tried everything else, this shell command will throw the book at your problem, running all the diagnostics it can.
How a mathematician and an electrical engineer brought a pioneering new technology to transform medicine.
The Eclectic Light Company 