refers to using two or more displays with your Mac

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1answer
20 views

Screen resolution of MacBook Pro Retina

I have a MacBook Pro 13" Retina-display (Late 2013 model) I recently bought a very cheap HDMI cable to plug it on my tv in my room (for Screen Mirroring and sometimes, Screen extend). Since it's ...
0
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1answer
25 views

How can I make 3 external displays function with my 13-inch Retina MacBook Pro (Mid 2014)?

How can I make 3 external displays (4 total, or 3 if running in closed book mode) function with my 13-inch Retina MacBook Pro (Mid 2014)? Regardless of closed-book/clamshell mode, I am unable to make ...
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0answers
17 views

Triple-non-thunderbolt-display iMac — would this work?

Consider the following: I have a 21.5" (Mid 2011) iMac with a single Thunderbolt port that supports "two Thunderbolt displays". This means normally you would daisy-chain one thunderbolt display to ...
1
vote
1answer
20 views

Will my Macbook Air be able to handle dual 4k displays?

I have a mid 2013 Macbook Air and I want to purchase two 4k monitors and hook it up to the MBA. Will my Macbook Air be able to hand the two monitors at it's full resolution? If so, what cables would ...
0
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0answers
7 views

MacBook Pro 10.6.8 mid-2011 and HP Compaq LA2205wg working only when MBP on battery

Weird behavior of MBP and external HP screen. When MBP is on battery - everything works perfect. But when power supply is connected to MBP - external HP screen is going black. "Monitor going to sleep" ...
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0answers
13 views

How can I sleep my iMac's internal display when it's not in use, but not my attached tv (playing video)

I've got a 2015 iMac running Yosemite, attached via HDMI to a 1080p TV, in extended desktop mode that I use simultaneously as a video server/media player and an occasional work machine. In short, ...
1
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0answers
22 views

Forcing application to go to selected window on startup

I run a multi-monitor set-up on a single "Desktop". All of my applications when opened run on the primary monitor, which is the smaller monitor. I would like to have some (e.g. browser, mail client) ...
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0answers
35 views

Setting up multiple displays on a MacBook Pro as a single “giga-monitor.”

I have 2 extra monitors on my MacBook Pro. They are positioned like this: I would like to use monitors 1 and 2 as a single giga-monitor. Ideally I would like that VMWare Fusion would recognize ...
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0answers
26 views

Should I buy a new 27“ Thunderbolt Display or a 27” 2013 iMac?

I'm starting out as a web designer and developer and it's time to invest in a larger second display for my work. I currently have a 2013 Macbook Pro. Apple haven't updated the Thunderbolt Display ...
1
vote
1answer
55 views

How to set the Display aspect ratio to 16:9 explicitly when using a VGA adaptor

Background I was presenting at a venue where the projector supports 1280x720px resolution (16:9) via VGA cable (I've previously used the same room and equipment on an older 2011 MacBook Pro running ...
0
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1answer
83 views

Using iMac 21.5 mid 2010 as an external monitor of Macbook Pro Retina late 2013 15"?

Can I connect iMac 21.5 mid 2010 as an external monitor of Macbook Pro Retina late 2013 15"? How can I connect them? I read some articles that say it can be done with Mini DisplayPort-to-Mini ...
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0answers
49 views

Create second display which is virtual for use with microsoft remote desktop

I use Microsoft Remote Desktop to access my PC (windows 7) from mac book pro 13 when I am not at work. My PC has two monitor and Microsoft remote desktop allows to use all monitors for a session. My ...
0
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1answer
70 views

Turn on and off MacBook Pro Retina connected to a Thunderbolt Display monitor

I would like to know if there is a way to turn on and off my Macbook Pro Retina 15 connected to a Thunderbolt Display monitor when it is closed. Should I open my MacBook Pro Retina each time I need ...
1
vote
1answer
35 views

Code to fix: WindowServer[250]: _CGXGLDisplayContextForDisplayDevice: No matching context for device (0x7fcfcaf18220) - disabling OpenGL [duplicate]

I need help implementing the answer to WindowServer[250]: _CGXGLDisplayContextForDisplayDevice: No matching context for device (0x7fcfcaf18220) - disabling OpenGL by inserting the following into ...
1
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0answers
24 views

Disable display mirroring for every possible future display

Is there some 'defaults write' or other trick to tell OS X to never mirror displays? (Unless they're at least as good resolution as the retina display.) I thought I had display mirroring disabled ...
1
vote
1answer
101 views

Why retina mac book pro won't output signal to second monitor via mini display, but detect it?

I have 2 monitors, a retina, 15-inch, mid 2014 mac book pro. I plugged the hdmit output to one monitor, and a mini-display to dvi to the second monitor. On mac book preference system ...
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1answer
39 views

WindowServer[250]: _CGXGLDisplayContextForDisplayDevice: No matching context for device (0x7fcfcaf18220) - disabling OpenGL

I'm getting vast amounts of these messages in my Console: 13/03/2015 16:02:20.924 WindowServer[250]: _CGXGLDisplayContextForDisplayDevice: No matching context for device (0x7fcfcaf18220) - disabling ...
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0answers
32 views

Keep applications maximized when plugging in second monitor

My work environment requires that I constantly plug in my MBA into a second monitor and use it without. I run multiple desktops with applications always extended fullscreen. When I unplug from the ...
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0answers
9 views

How do I prevent Expose/F3 from running on secondary monitors?

At home, I like to play movies on a secondary monitor while working on my primary monitor. When I press F3 to Expose my windows, it disrupts the movie on the second monitor. How can I configure Expose ...
1
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0answers
34 views

Auto Adjust Brightness Secondary External Non-Apple Monitor

I have recently purchased a Dell S2340l monitor to extend my MBPr late 2013 screen. So far I can say it's a great monitor, colors are great, but still in the test phase... Whatsoever, I really love ...
2
votes
2answers
38 views

Script to relocate the menu-bar on dual monitors set-up

Is there a script that could be written to achieve this: In System Preferences/Displays... is it possible to relocate the menu bar ...via a script? My set-up is one monitor and a Cintiq. I either work ...
1
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0answers
282 views

Macbook Air (mid 2013) daisy chaining two Dell U2715H?

I have a Macbook Air (mid 2013) and two Dell U2715H monitors. I am able to connect the one monitor to the Macbook via the DisplayPort-MiniDisplayPort cable. This works great! Now I want to connect ...
1
vote
1answer
39 views

MacBook Air and LCD Projector

When Presenting a powerpoint I tried to minimize the PP and go online to demo. The site comes up on my Laptop but not on the projection. That only displays the home screen.
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0answers
53 views

Keyboard shortcut to move fullscreen app to second display

Is there any way I can set up a keyboard shortcut to move full screen apps (i.e., desktops) between my main display and my external display in OS X 10.10? I know about tools like BetterSnapTool, but ...
3
votes
1answer
88 views

Thunder Bolt to Dual VGA adapter

I am having a hard time finding an adapter from Thunderbolt to two separate (not mirroring) VGA outputs. You would imagine that if it is designed to do that Mac would make an Adapter for that very ...
0
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1answer
384 views

MacBook Pro 11,3 with dual Dell P2715Q 27" Monitors

I have two Dell P2715Q 27" external monitors I want to connect to my 15" MacBook Pro 11,3 with OSX 10.10.2 ordered around September 2014. I've tried connecting it as follows: note: tb = thunderbolt, ...
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0answers
48 views

Is there a tool or scripting approach to change the arrangement of displays?

I move my monitors around a bit during the day. Specifically I rotate them or move my laptop to different positions. Each time I have to open up System Preferences > Displays > Arrangement and make ...
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0answers
52 views

Mac Mini pair workstation - 4 monitors, 2 as desktop, 2 mirrored. Is it possible?

I'm looking to purchase a new (2014) mac mini to use a pair programming workstation. 2 keyboards, 2 mice, 4 monitors. Each person would have their own keyboard and mouse and dual monitor display. ...
1
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0answers
60 views

Force aspect ratio with crop on external monitor while mirroring display

When I connect my Macbook Pro to an external monitor with a different aspect ratio than 16:10 (which the Macbook Pro has) and let it mirror my display, the resolution is automatically changed to ...
1
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0answers
43 views

Built-in display resolution resets when connecting to external monitor

I have my Retina Macbook Pro's built-in display set to the scaled resolution "more space" in System Preferences. Whenever I connect to an external monitor (extended mode), the resolution resets to ...
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0answers
32 views

External Monitor in Portrait Mode with MacBook Pro

I've been searching around and found the "alt/option + command keys" trick, but doing this doesn't provide the rotation drop down on my Dell monitor (P2714H) (only offers to rotate on my MBP screen). ...
2
votes
0answers
36 views

Active Mac Desktop screen with the cursor on Multi-desktop configuration

I like to work with many mac desktop with two monitors. It is a bit bothersome to click in a particular desktop to activate it to work on it. So, I think that it could be a way for doing this more ...
0
votes
0answers
98 views

How can I force focus or fix a blurry and 'washed out' Apple Thunderbolt Display camera?

The built-in camera of my Apply Thunderbolt Display (MC914LL/B 27") is always blurry. Items up close look better, but are still blurry. In fact, everything looks bright and washed out like a bad ...
1
vote
1answer
42 views

How can I get an external display that is mirrored to have a smaller resolution than what I see on my Macbook Pro?

I'm trying to help a sight impaired and somewhat physically impaired person. They have an assistant that uses the Macbook Pro while he watches on an external monitor. The only thing is that for the ...
1
vote
1answer
34 views

iMac 17" 2nd monitor question

I have a 17" iMac that I want to hook-up a 2nd monitor to. I bought an adaptor on eBay, but the plug does not match the back of my computer. It's not a Thunderbolt or FireWire. Not sure what kind of ...
1
vote
1answer
101 views

Upgrade to Yosemite Cutting Off Photoshop CS6 Dialog With Two Displays

This isn't my screenshot, but this is what is happening in Photoshop CS6 after updating to Yosemite, the top of the open dialog gets chopped off. We've tested and this only happens when the second ...
2
votes
2answers
97 views

Multiple non-thunderbolt monitors to MBP-r '12

Does anyone know if it's only possible to add 3 external monitors if at least one of these is a thunderbolt display? I'm asking since I would love to hook up 3 Dell monitors to my macbook at work. ...
1
vote
2answers
48 views

Mac trying to play audio through monitor's thunderbolt port

I have a Dell monitor connected through a thunderbolt port. Sometimes my Mac for some reason is attempting to play audio through that port. How do I stop this from happening? It appears in my list ...
2
votes
0answers
91 views

BGR - RGB Pixel layout problem. How to fix wrong subpixel optimization in “LCD font smoothing”

Maybe someone has idea how to solve this problem. I have display Dell P2314H it has BGR subpixel layout instead of common RGB. If to turn on font smoothing on Mac - fonts are looking terrible. I have ...
0
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0answers
131 views

Dual-Monitor: Second monitor black after sleep mode

I'm using two Elgato Thunderbolt Docks on my MacBook Pro Mid-2012. I connected two displays to them: One HDMI display on each of them. Both are LG-Displays, one a 16:9 and one a 21:9 display. This ...
0
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0answers
59 views

Target Display iMac steals Thunderbolt when I unplug and won't give it back

I'm using a 27" iMac in Target Display Mode, daisy-chained though a Thunderbolt display on my MacBook Pro. Both are running Yosemite. MBP-->TBDisplay-->iMac (normal operation) Typically I come into ...
0
votes
0answers
26 views

Unable to Access Dock When Projector is Connected

I'm a university professor who has a MBP and I am running 10.10.2. I use dual monitor setups at the office and at home with no problem. However, when I do classroom presentations with my MBP hooked ...
0
votes
1answer
44 views

Apps open outside displays on external monitors (Yosemite iMac 27" 3.4ghz i7)

I have two external monitors from my iMac, both are rotated in portrait mode. I assign apps to the outside displays via the dock so they open in a particular display. When I open an App that is ...
1
vote
1answer
370 views

Switch to Target Display Mode without keyboard

Here's my setup: MacBook --> Thunderbolt Display --> iMac 27" The MacBook is the primary computer I want to use; the iMac is the (tertiary) display. This all works just fine. The problem is, when ...
1
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0answers
44 views

Third and fourth monitors disconnect on reboot

Yosemite 10.10.2 (14C109) I have four monitors connected to my mac pro. One connected to the HDMI port, one connected with a passive (single link) DVI connector and two connected with dual-link DVI ...
0
votes
1answer
38 views

Connect two monitors to MacBook 4,1

All I can find on the internet is info on MacBook Pros. I have a regular MacBook, model 4,1, with a Mini DVI and a Fire Wire port. Currently I'm connecting an external monitor using a Mini DVI to HDMI ...
0
votes
2answers
1k views

Daisy chain of two Dell U2414H to Macbook Pro Retina 13''

My MacBook Pro have only two thunderbolt ports. My new external monitors are Dell U2414H connected to MacBook Pro using Display Port to Mini Display Port cable each one. In this situation I'm unable ...
4
votes
2answers
596 views

Why does my dock keep moving back to my other monitor?

I have a larger, external monitor connected to my MacBook Pro and have arranged it such that the dock is in the external monitor (via System Preferences > Displays > Arrangement, by dragging the white ...
0
votes
0answers
77 views

Dual display cross screen windows

How can I save size and position of large cross screen windows on dual displays? I am on Yosemite 10.10.1: Is there any window manager (except AppleScript and Slate) which stores window size and ...
1
vote
2answers
123 views

Connect 2 monitors to Macbook Pro 2012

I own a 2012 Macbook Pro with Core i7, 1GB Nvidia Graphics, 8GB RAM and 1 TB HDD. I want to connect 2 external monitors to it using the thunderbolt port because thats the only port I have. It doesn't ...