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Category Archive: Macs

Last Week on My Mac: Repair Assistant has replaced Diagnostics

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Last September, Tahoe replaced Apple Diagnostics with a new and improved suite of tests for Apple silicon Macs. No one seems to have noticed, least of all Apple.

February 15, 2026 Macs, Technology

Saturday Mac riddles 347

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation. 1: Stop operating […]

February 14, 2026 General, Macs, Technology

Explainer: % CPU in Activity Monitor

It’s the percentage of time a core in active, when not idle or shut down. That’s confounded by Intel Hyper-threading, and frequencies of Apple silicon cores.

February 14, 2026 Macs, Technology

Friday Magic: See real log entries

How to remove all the privacy redactions, and reveal network diagnostics including the URLs connected to by your Mac.

February 13, 2026 Macs, Technology

In the background: software update, backup & XProtect Remediator

After logging in, macOS may check for system software updates, run an initial Time Machine backup, and run XProtect Remediator scans. This is how those happen.

February 12, 2026 Macs, Technology

What has changed in macOS Tahoe 26.3?

For once, Apple’s bland statement that “this update provides important bug fixes and security updates” may be the […]

February 11, 2026 Macs, Technology, Updates

Apple has released macOS Tahoe 26.3, and security updates in Sequoia 15.7.4 & Sonoma 14.8.4

Apple has released updates to macOS, to bring Tahoe to version 26.3, and security updates for Sequoia to […]

February 11, 2026 Macs, Technology, Updates

macOS Tahoe no longer fully supports Time Capsules

If you’ve upgraded to Tahoe, your Time Capsule should still back up normally. But erase it to start new backups, and Time Machine refuses to back up to it any more.

February 11, 2026 Macs, Technology

Apple has released an update to XProtect for all macOS

Apple has just released an update to XProtect, bringing it to version 5329, from the previous release of […]

February 10, 2026 Macs, Technology

In the background: Spotlight indexing

Spotlight indexes on-the-fly so new and changed files are quickly searchable, but periodically needs to assimilate those into its more static indexes. That and Live Text extraction are run following startup.

February 10, 2026 Macs, Technology

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