Strange Phenomenon in Photoshop

Not saying it's related, but I had a similar issue with Lightroom 4. Scratched my head for weeks, re-installing Lightroom, brand new memory cards etc.....I even replaced the entire PC in the end, all to no avail!!

Turned out it was a firmware glitch in the camera.....updated the firmware and not a single problem since!!
 
Slimbert said:
Not saying it's related, but I had a similar issue with Lightroom 4. Scratched my head for weeks, re-installing Lightroom, brand new memory cards etc.....I even replaced the entire PC in the end, all to no avail!!

Turned out it was a firmware glitch in the camera.....updated the firmware and not a single problem since!!
Click to expand...

Interesting. Not really an option for me though, my camera is 6 years old and I ca't see a firmware update being released for it anytime soon.
 
fabs said:
Interesting. Not really an option for me though, my camera is 6 years old and I ca't see a firmware update being released for it anytime soon.
Click to expand...

I didn't think it would help. :lol:

It drove me mad.....spend over a grand trying to solve it, and in the end it took less than ten minutes and zero pence to fix.....typical!! :rolleyes:
 
Yeah I've seen that. I've been told it's a problem with the graphics card (though I don't quite believe that - I've had it on 2 machines).

It usually happens when the file size gets pretty big. Zooming in and out can sometimes shift it.

My guess is it's some kind of weird bug in Photoshop with large files and memory page boundaries or something. It occasionally affects me in CS6 on a heavy duty iMac. It used to happen a lot more often on the machine that must not be named - again in CS6.
 
Check same image files in preview. If you can borrow another camera and test that one with Lightroom that would help narrow down the cause.

I'd experiment with file types too and post on the adobe forums.

It might also be worth doing a tool reset in photoshop as that seems to fix quite a few strange glitches.
 
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