Lightroom Classic Second Monitor Problems

Community Beginner ,
May 25, 2020 May 25, 2020

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I use the second monitor function as a rule.  It frequently has not worked well.  Turning off the the second monitor display without rhyme or reason. 

I'm running with two identical 4k montiors, setup in extended mode. 

 

Recently Windows 10 did an update that has resulted in application windows being resized and moved everytime the montiors go in sleep mode.   I thought that was the extent of the problems.  But now I find that Lightroom will open the second montior window on top of the main window.  If I set it up in Loupe view, then I can't get back to the main window.   When I manage to get the second monitor window to open on the physical second montior, it doesnt stay there.  It will close  by it self, and then when the second montior window button is clicked it re-opens on top of the main window (on the first monitor). 

 

This is frustrating beyond belief!  Is anyone else having this problem and/or found a solution.ggac

 

 

Windows 10 version 1903 x64 based system (KB4497165) 2020-01

2-ggACER CB281HK monitors (1 connected via Display Port and the other via HDMI)

Nvidia GEforce GTX 1080 8mb current driver

Lightroom classic 9.2.1

 

 

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Performance, Problem or error, Windows

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Adobe Community Professional ,
May 25, 2020 May 25, 2020

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Try going to Window > Secondary display > Full screen. (or press Shift F11)

The secondary window can then be toggled on/off by pressing F11.

This works for me on Windows 10.

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Community Beginner ,
May 25, 2020 May 25, 2020

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I do know how to turn the function on/off.  The problem is that it turns off by it self.  Usually when I move the cursor to the main window. 

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LEGEND ,
May 25, 2020 May 25, 2020

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2-ggACER CB281HK monitors (1 connected via Display Port and the other via HDMI)
Nvidia GEforce GTX 1080 8mb current driver

 

 

 

Why are you connecting that one monitor to HDMI? Does not that GPU have 3 Display Port connectors? Mixing Display Port with HDMI is problematic. Using HDMI on Lightroom Classic is problematic.

 

following is not a direct correlation to HDMI/DP but of interest if you connect HDMI:

https://fstoppers.com/education/one-driver-option-could-be-ruining-your-monitors-accuracy-340911

 

 

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Community Beginner ,
May 25, 2020 May 25, 2020

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That's a good question.   Honestly don't know why I did it that way, given I have cables available.   So, now both monitors are connected via Displayport.     However, that hasn't impacted the behavior of the 2nd window function.  

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LEGEND ,
May 25, 2020 May 25, 2020

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Nvidia GEforce GTX 1080 8mb current driver

Current Driver. On this communityPage the following are dirty words

 

Latest

Current

Up to date

 

Often, these words turn out to be false, heck one member had "current" Lightroom, turned out Lightroom 7.2 while actual current was 9.1. Some appear to think MS updates keeps all drivers up to date, i.e. do not assume, prove. Prove I am wrong.

 

So, exactly what GPU driver version as Lightroom classic reports it. Heck please post your system info as Lightroom Classic reports it (this really should be a default behavior in postings) in Lightroom Classic, click on Help, then System Info, then Copy. Paste into a reply, include all info from first line down to and including plug-in info,

 

 

 

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Community Beginner ,
May 25, 2020 May 25, 2020

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Ok, here it is:

 

Lightroom Classic version: 9.2.1 [ 202004070813-7699d98a ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Business Edition
Version: 10.0.18362
Application architecture: x64
System architecture: x64
Logical processor count: 12
Processor speed: 3.6 GHz
SqLite Version: 3.30.1
Built-in memory: 65342.7 MB
Real memory available to Lightroom: 65342.7 MB
Real memory used by Lightroom: 9542.8 MB (14.6%)
Virtual memory used by Lightroom: 12471.8 MB
GDI objects count: 1199
USER objects count: 3784
Process handles count: 3610
Memory cache size: 16743.2MB
Internal Camera Raw version: 12.2.1 [ 415 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 4620MB / 32671MB (14%)
Camera Raw real memory: 4635MB / 65342MB (7%)
System DPI setting: 144 DPI (high DPI mode)
Desktop composition enabled: Yes
Displays: 1) 3840x2160, 2) 3840x2160
Input types: Multitouch: No, Integrated touch: No, Integrated pen: Yes, External touch: No, External pen: Yes, Keyboard: No

Graphics Processor Info:
DirectX: NVIDIA GeForce GTX 1080 (26.21.14.4587)

 

Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
Library Path: I:\Users\Ottercove\Pictures\Lightroom\Lightroom 3 Catalog-3.lrcat
Settings Folder: C:\Users\otter\AppData\Roaming\Adobe\Lightroom

Installed Plugins:
1) AdobeStock
2) Export to Photomatix Pro
3) Facebook
4) Flickr
5) HDR Efex Pro 2
6) Helicon Focus Export
7) LR/Mogrify 2
8) Nikon Tether Plugin

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New Here ,
Sep 30, 2020 Sep 30, 2020

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I'm having this exact same problem on my imac. Extremely frustrating. Not sure if you got this figured out? 

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