JPEG and PSD thumbnails displayed as generic icons not images

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Level 1

8 points

JPEG and PSD thumbnails displayed as generic icons not images

JPEG's in Finder are displaying as generic thumbnails not image icons. The same is true PSD icons. Strangely .riff files (Corel Painter files) display as image thumbnails not generic icons, then stopped working for no reason.

Anyone have a fix? Of course I have Show Preview Icon turned on in Finder, tried turning it on and off, deleted finder.plist and rebooted to no avail.

Any help would be appreciated.

Thanks in advance.

Joe

MacBook Pro 15", macOS 10.14

Posted on Dec 18, 2019 11:33 PM

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Answer 1

Top-ranking reply

VikingOSX

Level 10

124,862 points

Dec 19, 2019 7:14 AM in response to joenewyork

With that Get Info panel's Open With set to Preview, you need to click through the Change All… button, in case Corel Painter is attempting to override Preview.

I would also perform a Safe boot, to clear out any System caches, and then reboot normally afterward. Safe boot mode is holding down the shift key on a fresh boot until the progress bar appears. It will be much slower than a normal boot, and there may be some harmless screen aberrations too.

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Answer 2

Dec 19, 2019 3:00 AM in response to joenewyork

did you try to delete the file's icon (in the info-window)?

Way back in times of Photoshop 3 (and up to cs5 I believe), there was an option to include a preview-file (in Photoshop), which conflicted with Finder's preview-capabilities. It accelerated the window-rendering a bit, though.

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Answer 3

joenewyork Author

Level 1

8 points

Dec 19, 2019 4:07 AM in response to david braun

Hi David,

Thanks for the reply.

I'm using Photoshop 2020, I didn't see that option. This is also happening from any program I export a PSD or JPEG file.

As a follow-up...when I created a new user and dragged a JPEG and PSD files to the new user desktop, the icons rendered properly not as generic JPEG or PSD thumbnails. I am surprised that the native Corel Painter .riff file renders correctly both my current user and new user profiles.

Also, on my iMac with exactly the same OS version 10.14.6 no issues.

I am waiting for Apple support to get back to me today. Yesterday, the issue was sent to the"Engineering Department" for review.

I will post Apple Supports answer here.

Apparently, searching Goggle this is an issue with many other users.....without any real solutions.

Again thanks David for reply and possible solution.

Joe

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Answer 4

VikingOSX

Level 10

124,862 points

Dec 19, 2019 6:14 AM in response to joenewyork

What application from the Get Info panel on that .psd or .jpg file is set to open them? If it is set to Preview, then the Finder will display these icons (as it does for me).

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Answer 5

joenewyork Author

Level 1

8 points

Dec 19, 2019 6:55 AM in response to VikingOSX

Hi VikingOSX,

Thanks for the reply.

It did try that too many times to mention...ugh...no luck. Even trashed the apple.finder.plist and rebooted a couple of times. That re-arranged to icons on the desktop with sort by none. Sorted again by name and that worked but no rendered thumbnails for PSD, JPEG or PNG files. Seems only to work with RIFF files. Now that is a little crazy!!!

Hey, BTW did you work at the Apple SOHO store? I meet a guy at the Genius Bar who called himself Viking. It quite a while ago.

Thanks again,

Joe

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Answer 6

joenewyork Author

Level 1

8 points

Dec 19, 2019 8:29 AM in response to VikingOSX

Hi VikingOSX,

First, thanks for following-up on the thread and your suggestions...

Unfortunately I did all that.... did a Safe Boot, used the Get Info Panel tried every application associated with a JPEG file and still showed the same JPEG preview in the Preview Box of the Get Info Panel.

I actually renamed a JPEG files with a .rff extension and would you believe it showed up as a JPEG preview? It must be embedded in the file indicating the file type.

I will call Apple Support soon with my case no. since it has been over 24 hours since they had the issue.

I will post their response.

Regards,

Joe

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Answer 7

Dec 19, 2019 6:34 AM in response to VikingOSX

Opening an icon?

Back (way back) then it was resedit :-)

Nowadays I don't know. I guess you copy the icon from the info panel and edit in whatever editor...

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Answer 8

VikingOSX

Level 10

124,862 points

Dec 19, 2019 7:16 AM in response to david braun

Nothing was said about opening an icon as you suggest. In the Get Info panel, each icon has a default opening application that opens the image or document based on its extension.

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Answer 9

leroydouglas

Level 10

201,220 points

Dec 19, 2019 8:21 AM in response to david braun

david braun wrote:

Opening an icon?

How to change default apps on Mac: Open files in software ...

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Answer 10

joenewyork Author

Level 1

8 points

Dec 19, 2019 8:32 AM in response to leroydouglas

Hi David,

Thanks for the suggestion. I was hoping that would work. You can see my response to VikingOSX for a further explanation.

I will keep all posted!

Regards,

Joe

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Answer 11

Dec 19, 2019 11:15 AM in response to leroydouglas

sorry. I got derailed about the term "icon".

But the experts are here :-)

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Answer 12

VikingOSX

Level 10

124,862 points

Dec 19, 2019 9:12 AM in response to joenewyork

Run the following command in the Terminal. In the Finder, press the option key and right-click on the .jpg that you just renamed with the .rff extension. Select Copy "..." as Pathname from the secondary menu:

od -t x1 -N 1 $(pbpaste) | awk '{$1=$1;print $2}'

This will return a two character initial byte string of that image. If it returns a 1a, it is an .rff image file from the Blood game engine. A .jpg will return the string ff, and a Photoshop .psd file will return the string 38.

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JPEG and PSD thumbnails displayed as generic icons not images

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