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.
Note: this version ceases to be updated from 14 June 2017. A newer version is available here. In […]
Its increasingly hard to know where your files are, when you let Sierra manage your storage using iCloud. This is not a neat illusion, but a confusing deception.
Don’t think that syncing with Dropbox and Sierra’s iCloud is safer: in the wrong circumstances it could lead to data loss. A serious conflict revealed.
Released at the same time as macOS Sierra, Safari 10 is available for OS X Yosemite 10.10.5 and […]
Continuity, including Handoff, Universal Clipboard, Cellular Calls, SMS/MMS, Instant Hotspot, Auto Unlock – requirements and how to set […]
What happens during the Sierra install? How should I prepare? Here are practical tips for anyone upgrading soon.
This is a list of bad features, poor interface design, problems with third-party apps, etc. Known bugs in […]
Start up in Safe mode, and it’s stable; restart in ordinary mode, and your Mac is in trouble. How to identify and fix the problem.