Odd dual monitor behavior in Photoshop CC 2014 on Mavericks

I'm seeing some strange issues with a dual monitor setup (monitor 1 is MacBook Pro screen, monitor 2 is an external monitor) in Photoshop CC 2014. I have images open on both screens. If I use the eyedropper to try to pick a color from an inactive image window on one screen, it won't pick up the color unless I click on the image to make it the active image. I don't remember this behavior on dual monitors before.
I'm also seeing that if I switch from another application back to Photoshop and start painting or erasing, nothing happens in the active window. I have to re-switch applications and try again. Sometimes that works, other times it doesn't.
On another occasion, I was working on one monitor. When I returned to the main monitor and tried to access an item in the Edit menu, all of the menus were empty and white.
I can't identify if this is a Mac OS issue or an Adobe issue. I'm wondering if other people have been experiencing this behavior and if so, how to correct it.
Thanks.

Could be. I tried restarting, closing and reopening Photoshop. I just noticed this today, and I've been using CC 2014 since it came out. I'm using it on a relatively new iMac, but I don't think it has happened before, though I could be wrong. It's not the end of the world, but it is an annoyance.
Thanks.

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Dual Monitor Behavior

Hi All,
New Mac Pro system with ATI 4870. Dual monitor setup, 23" cinema connected to mini display port and 30" cinema connected to DVI. The 23" is the default monitor during boot sequence with the 30" firing up after boot near complete. Any way to change this behavior, 30" followed by 23"?
Matt

I just don't think it really matters unless your machine is not set for automatically logging in, or running verbose or single-user mode on boot-up. The login screen would just appear in the other (secondary) monitor. It might seem to be a hassle if you are constantly messing around with the boot sequence or constantly logging in and out, sleeping or screen-saver lock.
If the 23" is your secondary (I'm assuming this is what you want) and the menubar is on the 30", I would leave well enough alone. Now if you wanted the 23" as the primary, you can use the Displays preference pane to move the menubar to the 23" (from the arrangement tab.) Just click and drag the little white bar. I'm pretty sure you know that but thought I would throw that out there.
Performance-wise, there should not be any difference between the 2 displays.
D.

Strange dual monitor behavior: mac pro + leopard + x1900xt + 2 dell 2001FPs

I recently purchased a mac pro dual quad core with radeon x1900xt graphics card. Updated to 10.5.1. I have a dual monitor setup: 2 Dell 2001FPs connected to the x1900xt with dual-link DVI cables.
Here's the problem:
I want to use both monitors at their optimal resolution (1600x1200). I can get one monitor to run at 1600x1200 by changing the display preferences, but when I change the secondary monitor to something above 1280x1024, it goes dark, then doesn't come back on (the green light remains on, however). Occasionally while this is happening I will get a message on the black monitor telling me the computer is asleep. It obviously is not since I can see it is awake on the operating screen.
Here's where it gets weird:
I just found out that if I drag the mouse over into the darkened screen and then click a couple times, the monitor comes alive at the desired 1600x1200 resolution! If I restart from there, I get the primary monitor to come up upon startup, but I have to change the secondary monitor back down to 1280x1024, then back up to 1600x1200, then do the mystery clicking with the mouse!
The problem occurs no matter which monitor is primary and no matter which slot is being used on the graphics card.
To me this sounds like a driver problem, but I'm posting in the Mac Pro forum to see if any others have purchased the same configuration and have similar issues.
Message was edited by: istra

It appears I have solved my problem...for the time being.
1. rechecked all connections, replaced cable on secondary monitor with new (no change in behavior)
2. reviewed system log and saw this junk:
{quote:title=system log}
Dec 19 11:57:37 dhcp-xxx-xx-xxx-xxx [0x0-0x2f02f].com.apple.systempreferences[690]: objc[690]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Con trast.monitorPanel/Contents/MacOS/Contrast and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Geo metry.monitorPanel/Contents/MacOS/Geometry. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Geo metry.monitorPanel/Contents/MacOS/Geometry.
Dec 19 11:57:37 dhcp-xxx-xx-xxx-xxx [0x0-0x2f02f].com.apple.systempreferences[690]: objc[690]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Geo metry.monitorPanel/Contents/MacOS/Geometry and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/VPT .monitorPanel/Contents/MacOS/VPT. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/VPT .monitorPanel/Contents/MacOS/VPT.
Dec 19 11:57:37 dhcp-xxx-xx-xxx-xxx [0x0-0x2f02f].com.apple.systempreferences[690]: objc[690]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/VPT .monitorPanel/Contents/MacOS/VPT and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Bez el.monitorPanel/Contents/MacOS/Bezel. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Bez el.monitorPanel/Contents/MacOS/Bezel.
Dec 19 11:57:37 dhcp-xxx-xx-xxx-xxx [0x0-0x2f02f].com.apple.systempreferences[690]: objc[690]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Bez el.monitorPanel/Contents/MacOS/Bezel and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Ext endedTouchSwitch.monitorPanel/Contents/MacOS/ExtendedTouchSwitch. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Ext endedTouchSwitch.monitorPanel/Contents/MacOS/ExtendedTouchSwitch.
Dec 19 11:57:37 dhcp-xxx-xx-xxx-xxx [0x0-0x2f02f].com.apple.systempreferences[690]: objc[690]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Ext endedTouchSwitch.monitorPanel/Contents/MacOS/ExtendedTouchSwitch and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Pow erMode.monitorPanel/Contents/MacOS/PowerMode. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Pow erMode.monitorPanel/Contents/MacOS/PowerMode.
Dec 19 11:57:37 dhcp-xxx-xx-xxx-xxx [0x0-0x2f02f].com.apple.systempreferences[690]: objc[690]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Pow erMode.monitorPanel/Contents/MacOS/PowerMode and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Aut horization.monitorPanel/Contents/MacOS/Authorization. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Aut horization.monitorPanel/Contents/MacOS/Authorization.
Dec 19 11:57:37 dhcp-xxx-xx-xxx-xxx [0x0-0x2f02f].com.apple.systempreferences[690]: objc[690]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Aut horization.monitorPanel/Contents/MacOS/Authorization and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/TVO ptions.monitorPanel/Contents/MacOS/TVOptions. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/TVO ptions.monitorPanel/Contents/MacOS/TVOptions.{quote}
The message above occurred each time I booted the mac pro and I think also when I changed resolutions on the monitors. This appeared to me to be a call to the specialized Apple Display extensions and preferences, not for non-apple displays.
Resolution:
I went into /System/Library/MonitorPanels/ and copied the AppleDisplay folder to the desktop and renamed it to XXXX.old. I deleted the AppleDisplay folder from its previous directory (I left behind the Arrange.monitorPanel, Display.monitorPanel, Profile.monitorPanel and VGADisplay.monitorPanel files). I then rebooted. No problems since. I can change resolutions all I want and my secondary monitor kicks right in, never staying black.
Note: this seems to work for me because I am using Dell monitors on the mac pro with the x1900xt graphics card. I wouldn't do this if you have monitor trouble, especially if you have an Apple Display, as it seems these files are important for those.

Dual Monitors on Mac Mini Late 2014 not working on Dell S2340Lc

Hey guys,
Got a mac mini and using it mainly for work. Working for an ISP and no one has used macs and I've opted to be the poor sucker that gets to deal with old people that don't know how to mac very goodly.
I have two Dell S2340Lc monitors. I have one connected up via HDMI and that works perfectly fine. I turned off the mac, I plugged in Monitor 2 with a MiniDP/Thunderbolt to HDMI adapter, powered on the mac and whilst it was booting, it had the Apple logo and the loading bar on the Dell display plugged in to the thunderbolt to hdmi adapter and then once it loaded up the log in screen, it went to the HDMI display. I logged in and in the displays section, the monitor plugged in to the thunderbolt to hdmi adapter isn't being detected, however I can plug it in to a Samsung 55 Inch Smart TV and it works just fine. I can set up dual monitors between the TV and the monitor in HDMI, but the Dell S2340Lc will only work with a HDMI cable into the HDMI port on the mac mini and will not work through the thunderbolt to hdmi adapter. On the display it just says that there is no signal coming from the computer.
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What if you switch monitors?
What happens if yo only have the Thunderbolt>HDMI>Dell monitor connected?
Try resetting the SMC and PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
Call Apple. You get 90 days or free telephone support
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http://www.blakespot.com/list/images/macprohp_applelcd.jpg
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blakespot

I have a Mac Pro w/ ATI X1900 XT. I replaced the GeForce 7300 GT that came w/ the pro with this X1900 XT as an upgrade from Apple, purchased after the initial system purchase.
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http://www.blakespot.com/list/images/macprohp_applelcd.jpg
I have some odd behavior on the HP secondary screen. I never sleep the Mac Pro, but do sleep its screens. When they wake, the ACD 30 lights up right away. The HP does sometimes - but about half the time it takes 2-5 minutes for it to light. The LED goes amber to green right away, but the screen is black (and unbacklit) for a few mins. Sometimes I see random blue lines across the blackish screen of the HP before it goes normal. Sometimes it lights fine but I see a "stuck" mouse pointer - either arrow or the spinning wheel - on that 2nd screen, but the REAL pointer that's tied to mouse control is on the ACD 30. Only when I move the mouse to push the real pointer to 2nd screen (HP) does the "stuck" pointer disappear.
Not sure if this is a problem w/ the HP or if it's some odd ATI thing. I had a 20" ACD hooked up as a 2ndary, before going to the 20" HP, and it exhibited none of these issues.
I am using the HP rotated, in portrait mode, as the X1900 drivers support this.
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blakespot

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Is LR 5.5 officially supported in a dual monitor environment?

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