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Category Archive: Macs

Last Week on My Mac: Users are losing out against Big Sur’s sealed System

macOS 11.2, 11.2.1 and 11.2.2 have come in quick succession. What do they tell us about how difficult it is to update Big Sur’s sealed System volume? Is this the way to go?

February 28, 2021 Macs, Technology

Saturday Mac riddles 88

Here are this weekend’s riddles to entertain you through whatever you’re now allowed to do. 1: Often confused […]

February 27, 2021 General, Macs, Technology

Big Sur 11.2.2 still doesn’t fix bugs with M1 external bootable disks

T T Read More

Is it possible to update a bootable external SSD connected to an M1 Mac from 11.2.1 to 11.2.2? A quest through nearly 60 GB of macOS updates in less than 4 weeks.

February 27, 2021 Macs, Technology

How fast SSDs slow to a crawl: thermal throttling

Fast compact external SSDs are prone to thermal throttling. This is demonstrated during tests writing 96 files, when transfer rates fell from 2 GB/s to around 700 MB/s.

February 26, 2021 Macs, Technology

Apple has released Big Sur 11.2.2, an urgent fix for some MBP and MBA models (updated)

Apple has just released an update to Big Sur, bringing it to version 11.2.2. This is an urgent […]

February 25, 2021 Macs, Technology, Updates

Should you switch to Thunderbolt 4 cables?

Although little more expensive than good Thunderbolt 3 cables, what are the differences in Thunderbolt 4? When do you need a new TB4 cable?

February 25, 2021 Macs, Technology

Checking disks on an M1 Mac

Although generally reliable in normal macOS and in Recovery, First Aid sometimes runs into problems with external bootable disks.

February 25, 2021 Macs, Technology

More App Store update problems

When the App Store keeps refusing to install an update, there’s a limited range of solutions. Sometimes the traditional fix works best.

February 24, 2021 Macs, Technology

More M1 mysteries: Boot Recovery Assistant

You may encounter this when trying to boot into Fallback Recovery Mode. Currently it doesn’t appear to be fully functional, and doesn’t help.

February 24, 2021 Macs, Technology

Apple has pushed updates to XProtect and MRT

Overnight (UTC) Apple has pushed two updates, to the data files used by XProtect, bringing its version number […]

February 23, 2021 Macs, Technology, Updates

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