refers to using two or more displays with your Mac

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6
votes
0answers
5k views

Yosemite auto creates multiple desktops (spaces) on main monitor

Since upgrading to Yosemite I've been having issue with OS X creating additional workspaces on my main monitor for no apparent reason. I usually have 3 different spaces setup on my main monitor and ...
4
votes
0answers
99 views

Bridge non-adjacent monitors in three monitor setup

I would like to use the following 3 monitor setup because the arrangement aligns logically with the physical placement of the monitors. Is it possible to bridge the gap between the left and right ...
3
votes
0answers
808 views

External Monitor Showing only noise after yosemite upgrade

After upgrading to yosemite , i see just noise on the external monitor, using a mdp to hdmi converter and an hdmi to dvi cable. It worked very well on mavericks. I don't have display now after ...
3
votes
0answers
109 views

Is there a way to mirror to HDMI display on FileVault login screen?

I have a MacBook Pro Retina & Mavericks, with FileVault 2 enabled. I also mirror to an HDMI display, but it doesn't show anything on FileVault 2 login. This is an issue, because I'd like to get a ...
3
votes
0answers
221 views

Mac as virtual machine guest: How to use multiple displays?

I'm working on a test environment for testing Mac software. The plan is to use virtual machines (for example VMWare or Parallels) and install older versions as guest operating system, allowing me to ...
3
votes
0answers
265 views

MBP 2011: Built-in screen mistakenly treated as external display

System facts MBP (Early 2011) (15") OSX Mountain Lion (10.8.5) No external displays connected Chain of events Discrete GPU (AMD Radeon HD 6490M) goes bust [REF-1] I managed to avoid the problem ...
3
votes
0answers
177 views

Is it possible to have an iMac maintain target display mode even through sleep/screensaver

I want to be able to make it so that my iMac doesn't exit target display mode until the thunderbolt cable is pulled from my Macbook. I love target display mode in theory, but every time I lock my ...
3
votes
0answers
461 views

Late 2013 MacBook Pro Retina + 2 Thunderbolt displays + Apple Cinema Display @2560x1440?

I saw this answer by griewei here: http://apple.stackexchange.com/a/124479/81640 Unfortunately I don't have enough rep to comment. What I would like to do is something similar e.g. - one latest ...
3
votes
0answers
1k views

Is there a way to use a Thunderbolt monitor with Bootcamp and not need to restart each time it's connected?

So, I'm using a brand new Mac Book Pro with Bootcamp and Windows 7 and I have at giant 27" thunderbolt display. The problem I'm having is at the office I take my laptop with me to meetings. Upon ...
3
votes
0answers
273 views

New Macbook pro rarely recognizes additional display, freezes when connected

My new 13" MacBook Pro rarely recognizes a third-party display. The display works fine with a PC. It is connected via a third-party Thunderbolt/VGA adapter. Worked beautifully the first time. Now I ...
3
votes
0answers
184 views

Multiple monitors get mixed up

I am on OSX Lion, with a MacBook Pro. I am using the DisplayPort for an external monitor and two USB Diamond BVU195 for two extra monitors. Each time when I turn my computer on, the two monitors get ...
2
votes
0answers
19 views

How can I warp the border between two different sized monitors, so the mouse doesn't get stuck in the larger one?

When the monitor on one side of the border has a resolution higher than the monitor on the other side, the mouse can only cross over to the other monitor at the part where their edges overlap, as in ...
2
votes
0answers
26 views

Yosemite: How to change the index of a specific monitor while using a set of multiple monitors?

Say you use a MacBook Pro (MBP) and you have a specific monitor setup of at least two external monitors. As the main desktop you use the internal monitor of the MacBook Pro. This monitor setup you use ...
2
votes
0answers
49 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 ...
2
votes
0answers
147 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 ...
2
votes
0answers
360 views

Reduce Transparency Keeps Turning Itself Off

In the accessibility settings on Yosemite I have enabled the "Reduce Transparency" setting multiple times. The reason I am turning it off is to try to fix the issues causes with the menu redrawing ...
2
votes
0answers
34 views

Can an application be auto-raised only if no other applications are focused?

So this is kind of a follow-up to How do I make OS X auto focus on the window in the screen the mouse moves into? because I'm having a different problem but looking for slightly different ...
2
votes
0answers
53 views

OS X Extended Desktop Limits

I am looking for information on whether there is a limit to the width/height of the OS X extended desktop. I have seen setups with 2 rows of 3 displays, resulting in a 7680 x 2880 desktop. Now I ...
2
votes
0answers
43 views

Scroll lag after external display connect

After connecting or disconnecting external display some lag appears on every scroll in every app. Only restart helps (or windowserver restart). This problem was on Mavericks and still on Yosemite. It ...
2
votes
0answers
74 views

Mac OS: How to revert settings that have been changed by a certain program

Short Story I've installed a program on my Mac that altered some settings (e.g. graphics, position of dock). I've uninstalled the program but the settings haven't changed. Is there a way that I can ...
2
votes
0answers
39 views

Issue with multiple desktops

I have a mac mini with two monitors. On the main monitor I normally keep two desktops and on the second there is only one. I have been noticing that the main monitor seems to add more desktops by ...
2
votes
0answers
760 views

Apple “Cinema HD Display” (DVI) not recognized by MacBook Pro (late 2013)

My new MacBook Pro (late 2013) refuses to recognize an Apple 30-inch Apple Cinema HD Display. That monitor has only a DVI cable. I am using a new Apple-brand Mini DisplayPort to DVI adapter. When I ...
2
votes
0answers
161 views

Dual screens: one monitor switches to desktop, window appears on other monitor

My computer is behaving oddly and I would like to know if someone else has this issue too (if so, it's a bug) or that I am the only one (in which case there is probably a quick solution). Let's say I ...
2
votes
0answers
268 views

Watch video or play games on two external monitors

I have a 2013 15inch retina MacBook Pro and two Dell U2414H as external monitors. I want to watch video or play games like the image in this question. For the current mac system, I can only achieve ...
2
votes
0answers
196 views

Any OS X Whiteboard apps/software designed for large screen multi-monitor use?

We're looking at upgrading our static whiteboards to interactive whiteboards/smartboards, and one option is simply to buy 1-3 large multi-touch displays and hook them up to a Mac Pro, and use some ...
2
votes
0answers
191 views

Is there a way to share only ONE desktop in Mavericks?

I've recently started to work with multi-desktops and multi-screens environment. What I'm trying to do is: Working on my Mavericks (MBA) as the main computer with Desktop #1 in front. Use an ...
2
votes
0answers
82 views

External monitor has “sun spots”

I have a Macbook Air 13″ (late 2010) and external monitor (Dell SX2210) connected by Mac Display Adapter to VGA adapter (pre-Thunderbolt). I frequently see regions of the Dell screen glitched by ...
2
votes
0answers
92 views

iMac and HDMI display - not turning off properly

I'm using iMac on my work and when i said to my boss that i need 2nd display for work he ordered it and it arrived. Philips Gioco 27" But that display has only VGA and HDMI ports, no DVI. So we bought ...
2
votes
0answers
609 views

External Display Won't stay asleep: stuck in sleep / wake loop

I have a mid-2012 MacBook Pro (running Mountain Lion) connected to an HP Pavilion 23xi external display. The external is connected via DVI-->Thunderbolt adapter, is set as the primary display and the ...
2
votes
0answers
957 views

Disabling MBP display with external monitor connected in Clamshell Mode

I have a very similar problem to mikekmcguire's question about clamshell mode. When connecting my MacBook Pro (Mid 2009 | 5,3) running Mountain Lion (10.8.2) to an external display in clamshell mode, ...
2
votes
0answers
53 views

View the display out signal on main monitor?

I am running an event for my community soon an I need software where I can see the contants of the two projects when they are in "No Show" mode. Is it possible to see what is being displayed through ...
2
votes
0answers
132 views

Strange behaviour - External monitor performs log off

The title sounds very wired, but it is true :-) I have three different external monitors (in different offices) and two of them run very well. Only one (a Dell U2711) causes a strange behaviour on my ...
2
votes
0answers
2k views

Unable to display 1920x1080 on a 1080 monitor

I have a Macbook Pro 15" i5, and I'm connecting it to a Samsung 40" 1080p monitor. Previously, it displayed a 1920x1080 resolution just fine, but then I accidentally changed something in the OSX ...
1
vote
0answers
65 views

Make full screen app to launch on particular display

I don't know how it happened, but one of my full screen apps, when launched for the first time, opened on my secondary display. Now no matter what I try, the app always launches on this secondary ...
1
vote
0answers
24 views

Display Slack notifications on both screens

I'm using my Macbook while it's connected to a larger display. I'm mostly working off the larger display. Is there a way for notifications to be displayed on both screens simultaneously? I'm ...
1
vote
0answers
45 views

How to disable “always on” USB power on Macbook Pro

I am operating my MacBook Pro early 2015 within a Henge dock (HD03VA13MBPR) , connected to two external displays and external speakers. Both displays and speakers get power from a power distributer ...
1
vote
0answers
26 views

External monitor moves windows when coming out of sleep (2012 rMBP)

I recently purchased a Dell P2715Q for the express purpose of using as the primary display for my 2012 rMBP running 10.10.3 when "docked" at home. I have the laptop in a vertical holder that holds it ...
1
vote
0answers
33 views

Above and Below Display Arrangement in Yosemite

I have a laptop running Yosemite with an external monitor sitting above the laptops display. When I am logged in I have the display arrangement mimicking the physical above and below layout. This ...
1
vote
0answers
25 views

Do the applications use less memory when they are moved to different displays?

Last few days I am spreading everything to separate screens, and noticed that I have few more GB of RAM free this way. I use everything the same way as before. Do applications use less memory when ...
1
vote
0answers
112 views

Daisy chain two dell UltraSharp u2414h to MacBook Air (mid 2012)?

I have a MacBook Air (Mid 2012) and was thinking about buying 2 Dell UltraSharp u2414h monitors. Would it support daisy chaining these two monitors with the mini DisplayPort to DisplayPort cable ...
1
vote
0answers
56 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
vote
0answers
34 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) ...
1
vote
0answers
35 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
0answers
70 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 ...
1
vote
0answers
620 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
0answers
76 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 ...
1
vote
0answers
91 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
vote
0answers
62 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 ...
1
vote
0answers
110 views

External 4K monitor shows wrong resolution

I bought a Philips 288P6 4k-monitor and plugged it to my Retina MacBook Pro 15". For a few days it worked just great. When selecting Scaled instead of Best for Display, it gave me the retina style ...
1
vote
0answers
92 views

External screens connected to MacBookPro and its main screen turn off momentarily frequenetly

My Mid 2014 Retina MacBook Pro is connected to two Dell external monitors (U2713HM) via lightening-to-displayport cable Some day my MBP and the two monitors can momentarily turn off and then turn ...