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startup

Tackling extension problems in Big Sur

It would be much easier if the log contained entries detailing the loading of extensions. Instead, there are long gaps. This explores how you can use those in diagnosing problems.

February 2, 2021 Macs, Technology

Big Sur 11.1: bug in log show command affecting Ulbow and Consolation

Use the log show command, Ulbow or Consolation to browse your M1 Mac booting, and they can fail to show tens of thousands of log entries. How to work around this bug in 11.1.

February 1, 2021 Macs, Technology

System management and NVRAM on M1 Macs

There’s no SMC, so you can’t reset it. Although there’s still NVRAM (PRAM), that can’t be reset either: full details of both for M1 models.

January 21, 2021 Macs, Technology

A Guide to Startup Modes for Intel and M1 Macs

From Startup Manager to Internet Recovery on Intel Macs, and how to engage each of those in an M1 Mac. With comprehensive diagrams.

January 18, 2021 Macs, Technology

What happens when an M1 Mac starts up?

When does an M1 Mac validate its Sealed System Volume? Who designed its display interface? How soon does Find My Mac launch? So many answers found in the log.

December 9, 2020 Macs, Technology

Startup modes for M1 Macs

M1 Macs don’t use that warren of startup key combinations, but a logical structure of choices, mostly when starting up in Recovery Mode. Here are the full details.

November 28, 2020 Macs, Technology

Background activity scheduling with CTS in Catalina

CTS now schedules many important services, including syncing Calendar, Contacts, Messages, running weekly firmware checks with eficheck, and more.

October 19, 2020 Macs, Technology

What happens when background scheduling fails

CTS scheduling and dispatch of background tasks has no user interface, and no controls. How can you tell that there’s a problem, and what to do about it?

October 17, 2020 Macs, Technology

Diagnosing an abnormal startup: what that screen means

You press the Power button, but don’t see the normal login window. How to interpret your Mac’s different screens, and what to do about them.

October 1, 2020 Macs, Technology

Disk, drive, HD: does it really make any difference?

The fine line between precision and obscurity examined in the Finder, against Apple’s Style Guide, and its accuracy. And what does HD stand for?

February 29, 2020 Language, Macs, Technology

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