Photoshop CC 2019: Not responding correctly to iMac bluetooth keyboard & mouse

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  • Updated 2 months ago
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My iMac is updated to latest OS, as is my PS/LR.  When editing, I find that the keyboard shortcuts often make the PS window jump around and increase in size at the wrong time.  For example, I will use CMD ] to increase pen size and the whole image will increase in size.  I use my mouse to move around the image, especially if I have enlarged it, it jumps around.  I have tried using my USB powered keyboard but that performs in the same fashion.  I hope Adobe can correct this before I stop using PS completely
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Daniel McNeil

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  • frustrated

Posted 3 months ago

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David, Official Rep

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Howdy Daniel,

Have you checked to make sure you're using the default keyboard shortcuts?  What language is your keyboard set to?  Anything unusual about it?  Are you using a tablet?  Fully updated drivers?

I'm asking all this cuz PS shouldn't zoom the image when you increase brush size -- totally different functions.  Jumping around could be CPU lag, but it sounds like somehow PS is receiving two sets of commands, thereby triggering the problem.  Typically, that's the keyboard or a tablet's fault for giving erroneous input.

If you want, we can do a web-hosted screenshare as well.  I'd love to see a demo of this.

Thanks,
David
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Daniel McNeil

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David,
Thank you for responding to my problem.  I am currently using a 2017 iMac 21" running OS v10.14.4.  It has a 3 GHz icore 5 w/ 16GB mem.  Radeon Pro 555 2GB.  Keyboard is the Apple magic using US Eng.  I've checked to make sure everything I use is up to date.  I tried to recreate my problem (usually it occurs while I am in the middle of a project and just work around it instead of carefully paying attention to what I was doing, what keys I was pressing, etc.)  I had mistakenly said I was using CMD + [ & ] to adjust brush size, but it was only the [ & ] keys.  I loaded a couple of photographs and did what I normally do first:  Zoom/crop.  I used spot healing brush and healing brush tool.  When I use opt click, the picture and brush size will often zoom way in.  When using the clone stamp tool, pressing the option key often causes everything to either zoom in or out.  After confirming these things happening.  Moving the image around by sliding my finger around the mouse surface will make the picture window move around very erratically.  I switched to my usb powered extended apple keyboard and noticed similar occurrences.  Problems do not appear keyboard related.  Before my 21" imac, I had a 27" imac and nothing like this occurred, of course the OS was different years back, too.  
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David, Official Rep

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Howdy Daniel,

Sorry.  I dropped the ball on this.  I didn't see your email until this morning, answering me.

Something is weird.  I don't have the same hardware you do, but I regularly use Photoshop on a variety of Macs and never see what you're describing.  Not saying it doesn't happen; I totally believe you, I just can't trigger this myself.  So that leads me to believe that there's a setup difference between your machine and mine.  Are you using any third-party plugins?  What other apps do you have running?  Could you have a utility on your system that's grabbing keyboard input and/or interfacing with the keyboard?  It almost sounds like Photoshop believes you have an accelerator key pressed at the same time, which could trigger what you're describing, hence my line of questions.  

I'm also available to do a web-hosted screenshare if you'd like to demo this problem.  Or if you want to post a video of it -- many times I've found clues simply by watching the steps someone is performing.

Thanks,
David