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troubleshooting

Last Week on My Mac: How good is AI at solving Mac problems?

Five test questions put to Google’s AI-enhanced search. Answers analysed to understand its weaknesses rather than strengths. And why every answer is a bit random.

December 14, 2025 Macs, Technology

How to restart Spotlight, and why you might want to

Instead of logging out and back in, it’s possible to relaunch Spotlight from the Finder, as demonstrated here with the aid of the log. And it might be useful too.

December 2, 2025 Macs, Technology

Diagnose Spotlight local search problems

When Spotlight can’t find the files you expect it to, it could be that they weren’t indexed, or that Spotlight’s search has failed to find their index entries. Here’s how to tell those apart and work out what went wrong.

November 20, 2025 Macs, Technology

Inside the Unified Log 7: Claude diagnoses the log

What happens when you can’t solve a problem, so you get a log extract and ask Claude to diagnose it for you? Here’s a full worked example.

November 7, 2025 Macs, Technology

Should you repair permissions?

First we repaired disk permissions, until SIP made that impossible. Then we reset user permissions until Apple withdrew that advice. Next we ran repairHomePermissions in Recovery. Should you still use that?

October 27, 2025 Macs, Technology

Gain access to a locked Mac with Recovery Assistant

T T Read More

You’ve tried entering your password, but it doesn’t work. Should you try guessing? As that imposes increasing waiting times of up to 8 hours, maybe not. Try this instead.

October 22, 2025 Macs, Technology

Check if an app is stuck in translocation

Why is that app slow to launch, unable to update itself, generally behaving erratically, and often crashes? Could it be stuck in app translocation? Here’s how to tell, and how to fix it.

October 16, 2025 Macs, Technology

Resolve a file’s path from its inode number

First Aid in Disk Utility, or fsck_apfs in Terminal, have given warnings or errors with id numbers. How do you work out which file or folder that refers to?

October 8, 2025 Macs, Technology

What to do when APFS has problems

First Aid in Disk Utility, or running fsck_apfs in Terminal, return warnings or errors on one of your Mac’s volumes. Here’s what to do next.

October 7, 2025 Macs, Technology

Inside the Unified Log 2: Why browse the log?

What you can learn from browsing the log, and why it’s so important in diagnosis and troubleshooting, research into macOS, and measuring performance. With a worked example.

September 25, 2025 Macs, Technology

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