refers to using two or more displays with your Mac

learn more… | top users | synonyms (4)

4
votes
0answers
230 views

Macbook doesn't display on external screen until after I log in (Yosemite). How to fix?

I have a macbook pro (mid-2011) and an HP Pavilion 22bw (prob inconsequential) connected via a Thunderbolt DVI Adapter. Ever since installing Yosemite, I now need to open the macbook pro and log in ...
4
votes
0answers
4k 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
84 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
99 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
181 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
241 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
140 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
421 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
2k 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
263 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
182 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
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 ...
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 ...
2
votes
0answers
320 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
27 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
103 views

External display occasionally shows just noise

When I'm at work I have my Macbook Air mid-2013 hooked up to a Samsung SyncMaster 2443 display via a ThunderBolt-to-HDMI adapter and then to a HDMI-to-DVI adapter. Almost every second time I switch ...
2
votes
0answers
49 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
42 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
518 views

Black screen when open Time Machine on Yosemite

I use a 13 Macbook with a thunderbolt display on Yosemite. Since the installation of last osx version, if I try to open Time Machine I can only see a completely black screen on laptop screen. The ...
2
votes
0answers
725 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 ...
2
votes
0answers
67 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
34 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
682 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
152 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
262 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
167 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
184 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
80 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
90 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
569 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
944 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
51 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
130 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
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) ...
1
vote
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
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 ...
1
vote
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
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 ...
1
vote
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
vote
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 ...
1
vote
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 ...
1
vote
0answers
93 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
86 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 ...
1
vote
0answers
70 views

Can Mac OS X use a 1400x1050 projector's native resolution?

I'm trying to connect my MacBook Pro to a Canon LCD projector with a native resolution of 1400x1050. The maximum 4:3 resolution that Mac OS X offers is 800x600. With the SwitchResX utility I've ...
1
vote
0answers
162 views

New monitor won't let me set resolution to 2560x1440 even though it should be possible

i have just purchased a dell p2715q monitor and while i understand that my early 2011 macbook pro will not run it at the full resolution, it should be able to run it at 2560x1440. However the only ...
1
vote
0answers
124 views

External Display Brightness, Contrast and Color are Terrible

I have a late 2014 13" Retina MBP. It's connected to a 24" Philips 246EL Display by using an Apple Mini DV to DVI adaptor. The brightness and contrast on the external display are terrible, and no ...
1
vote
0answers
67 views

Downsampling an external monitor on a Macbook Pro

I was wondering if anyone has succeeded in downsampling an external monitor for a Macbook Pro. I currently have a late 2013 Macbook Pro (Retina) with Intel Iris Pro 5200 graphics card. I just bought ...
1
vote
0answers
193 views

Play Safari web videos in full-screen on second monitor while using first monitor

I have two monitors and am using OS X Mavericks. In Safari when viewing a YouTube streaming video full screen on one monitor, if I use the other monitor it causes the YouTube video to switch from full ...
1
vote
0answers
126 views

Cmd+` breaks with dual monitors and full screen mode

I want to run Chrome in full screen mode on both my monitors, using Cmd+` to alternate between windows. Cmd+` seems to work fine for alternating between windows when not in full screen mode, but it ...