Following a survey of 37 iMac17,1 systems, there’s no evidence problems are caused by hardware. It’s most likely to be a bug in the firmware installer.
macOS 11
When I went to change the settings of the menu bar clock, they had vanished. Finding them revealed significant changes coming in macOS 11.
Concentrate on Time Machine backups, scripts, secondary updates, and whether you still have to retain access to 32-bit software. Some hints.
In just three days last week, Apple released nine major products which demanded the attention of independent developers. How did that work out, then?
It’s got to be better than Catalina, so why not upgrade when it first comes out? Here are some suggestions to help you make your decision.
A complete guide to the structure and layout of APFS startup disks from High Sierra to Big Sur (Intel), together with tear-out PDF charts.
Looking at what’s involved in updating Big Sur’s new Sealed System Volume shows what’s necessary for successful cloning.
Highlights some potential issues with third-party products running under Big Sur, and on Apple Silicon Macs, from the sealed system volume to mixed architecture tool chains.
Complete listing of freeware available from here, now compatible with macOS 11 Big Sur, and Universal to run native on Intel and Apple Silicon Macs.
A utility for the expert, not a casual user. Can wipe extended attributes, reset file dates, clean your logs, and more.
The Eclectic Light Company 