You're not going to have any desktop icons on sidecar screens unless you place 
some there. You will have a menu bar, but semitransparent over a black 
background, which should be well within tolerable standards if all you are 
tying to do is avoid distraction.

I'm assuming here you're not running mirrored screens, but extension screens. 
If you're running mirrored screens, you're kinda cutting our own throat.

> On Dec 28, 2019, at 2:49 PM, Carl Hoefs <[email protected]> 
> wrote:
> 
> Hmm. Interesting idea. But wallpaper doesn't get rid of the desktop icons 
> etc. I guess I would need a floating large black JPG or some such hack...? 
> 
> I would have thought that with macOS's multiple monitor / multiple desktop 
> support there would surely be a way to blank certain monitors.
> 
> -Carl
> 
> 
> 
>> On Dec 28, 2019, at 2:43 PM, Macs R We <[email protected]> wrote:
>> 
>> Use mission control to create a desktop or the other screens, and make its 
>> wallpaper black. If you want to darken the screens, just mouse to them and 
>> scroll sideways to the black desktop. 
>> 
>>> On Dec 28, 2019, at 2:34 PM, Carl Hoefs <[email protected]> 
>>> wrote:
>>> 
>>> I have a MacPro ("ashcan") that supports up to 6 monitors. I have multiple 
>>> large-screen monitors running right now, but I'd like to be able to have 
>>> all but one go dark (black), such as when I'm watching a full-screen video 
>>> on one monitor. The others being on are quite a distraction so I'd like to 
>>> "blank" them for that purpose.
>>> 
>>> Is there any keyboard shortcut (or other way) to do this (on Mojave)? 
>>> 
>>> - I know the ctrl-shift-eject combo but that causes all screens to go dark.
>>> - And if I *gasp* turn off the other monitors macOS thinks they're no 
>>> longer connected and scrambles all of my carefully placed windows onto one.
>>> - I'm skipping the upgrade to macOS Catalina completely. It's Horrorville.
>>> 
>>> -Carl
>>> 
>>> _______________________________________________
>>> MacOSX-talk mailing list
>>> [email protected]
>>> https://www.omnigroup.com/mailman/listinfo/macosx-talk
>> 
>> 
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> 

-- 
  Macs R We -- Personal Macintosh Service and Support
    in the Wickenburg and far Northwest Valley Areas.
                            http://macsrwe.com

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