Checks basic settings and function in your keychains. Now runs on El Capitan, Sierra, or High Sierra.
High Sierra
Check security system updates and more – now on El Capitan, Sierra, or High Sierra.
How to control whether your 2016 MacBook Pro sounds a startup-chime or start up when you open its case, why you can’t unmute a 2017 iMac, and how High Sierra changes your NVRAM.
More decisions about how to prepare to install the release version of High Sierra. Would it help to reformat your boot disk?
You have one iMac with a Fusion Drive, and an old MacBook Air with an SSD. Which do you upgrade to run High Sierra? Is there a good solution?
If you want to format your startup volume before upgrading, or install High Sierra on multiple Macs, it is best to use a bootable installer. Here’s how.
Apple warns users not to try running High Sierra from a Fusion Drive formatted in APFS, and advises beta testers how to switch back to the old file system.
How to update your firmware, reset the SMC, and reset the NVRAM (or zap the PRAM), and what they do. Updated for High Sierra.
The latest version of iTunes is a blow to those with several iOS devices, as it no longer lets you sync new apps and updates to them. Apple’s solution, though, could bring even worse problems.
Additional info about how you can install and upgrade to High Sierra, its new Content Caching feature, how it changes firmware updates, changes to NVRAM, and more.
The Eclectic Light Company 