Strange Imagery on Thumbnails - Suddenly Appears on Audio Files

A strange problem, not sure if it's a bug with the Mac or what not, but some of my wav files have suddenly begun showing up in my external drive with strange, random thumbnail imagery. They all look like they're news clips from a DVD/VHS archival project I did some weeks back. Not sure why the computer is linking those thumbs to these audio files, which are completely separate (and no longer on the computer).

Mac mini, macOS 11.4

Posted on Jul 28, 2021 2:48 PM

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1 reply

Jul 28, 2021 6:08 PM in response to EzzieBaby

Start up a Mac with Apple silicon in safe mode

  1. On your Mac, choose Apple menu  > Shut Down.
  2. After your Mac shuts down, wait 10 seconds.
  3. Press and hold the power button on your Mac until the startup options window appears showing available startup disks and Options.
  4. Select a startup disk.
  5. Press and hold the Shift key, click Continue in Safe Mode, then release the Shift key.

To leave safe mode, restart your Mac normally, without pressing and holding any keys during startup.


Or IntelMac...

Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode? Could take 10 minutes.


Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.

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Strange Imagery on Thumbnails - Suddenly Appears on Audio Files

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