Pulling together articles here on Macs, and reshaping their content to create a user reference.
diagnosis
What should you do if your Bluetooth keyboard isn’t working properly? Is it something you can fix, or a bug in macOS?
Topical listing of articles about older versions of OS X up to 10.10, and other less current material about Macs and related topics.
A starting point for diagnosing and fixing your Mac problems, with links to key articles here.
A detailed tutorial showing how you can time events, such as moving from one note to the next, using free and simple tools.
A deep dive into the log to examine what happens when waking from system sleep. And where you can read a cache of old internet connections…
Why was my Mac still preparing a backup 20 minutes after it should have been completed? And what is a ‘deep event scan’?
Two major tools are available to help you deal with problems. Here’s how to use them to best effect.
Is Time Machine becoming erratic? A simple diagnostic process can establish what the problem is, and how to deal with it.
Browsing existing log entries in macOS Sierra is now much easier and more powerful.
The Eclectic Light Company 