Projector problem

John

thanks for the appreciation. 

I'm glad troubleshooting helped isolate the issue.

I thought it must be an OSX Catalina issue with using the projector.

I'm amazed Apple can't help. 

I hope this helps

if so, please "like" my reply

neil barstow, colourmanagement.net :: adobe forum volunteer

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Hi John

frustrating issue that,

I added a couple of extra tags, which I hope will bring you assistance. 

What's very strange is that under normal circumstances Photoshop will effectively hand the image to OSX for display, AFAIK Photoshop doesn’t control the display system directly. Maybe the USB connection is part of the equation is the clue here, it's unorthodox do drive a display device (like a screen or projector) through USB IMO. I can't see that being the issue though, if OSX itself projects properly.

So display is set to "mirroring" I guess?

IF OSX can display it's desktop (and how about other applications like Preview or even third party apps?) then it's intriguing that somehow the system cannot show the Photoshop window. 

So what you are seeing is that the OSX desktop shows through the projector just fine, but, when you open Photoshop it simply doesn’t appear projected - just the empty desktop is still shown? Presuming it’s a macbook and the mac screen does show Photoshop?

Photoshop is simply invisible but only on the projector?

Does that happen with any other apps?

Was your projector working with OSX Catalina and Photoshop before the Photoshop update you did?

What version of Photoshop did work?

IF you just want to show images and OSX Preview app does work maybe its feasible to use that as a workaround.

You've restarted the mac with the projector connected - right?

I hope this helps

if so, please "like" my reply and if you're OK now, please mark it as "correct", so that others who have similar issues can see the solution

thanks

neil barstow, colourmanagement.net :: adobe forum volunteer

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