This makes it much easier to perform repeated analysis and search on logs captured to cover important events, such as crashes and problems.
startup
A guide to different tones sounded at startup, how to cope with EFI ROM update problems, and MacBook Pro 2016 issues.
Information for anyone reading articles about Macs here, and an introduction to dealing with their problems.
Can you tell the difference? What is the significance of each, and do you know what to do about them? An introductory guide.
How can you tell whether your Mac supports Continuity, whether you bought an app from the App Store, and diagnose extension problems?
How to explore what happens during startup, and hone in on problems. The second tutorial, medium level.
A basic tutorial showing how to get useful information from Sierra’s new logs, using LogLogger5.
How to enable or mute your Mac’s startup chime, and other neat tricks of the NVRAM.
The bong has gone, without a bang or even a whimper. Why are the latest Macs mute?
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.
The Eclectic Light Company 