Whether it’s a full macOS update, or a small Security Update, it can go wrong. Here’s a systematic guide to the solutions you can try to restore normal function.
One was just a bit wonky, the other has made a mess of many who installed the update. So what went wrong?
Imagine for a moment two or three carefully chosen older Intel Macs bundled with a non-upgradable but maintained version of macOS Mojave.
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.
Today’s update to bring macOS Catalina to version 10.15.7 came as something of a surprise, particularly as all […]
Apple has just released a surprise update to macOS 10.15 Catalina, bringing it to version 10.15.7. At around […]
Many of this model have been unable to update to newer firmware versions. An appeal for users to report their firmware version and logic board ID.
Disk Utility can’t image APFS volumes, and normally returns an error if you try to image a container. Here’s the workaround.
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.
How long does it take to write a Signpost to the unified log? Measuring this is essential if you’re going to use them to measure performance.