refers to using two or more displays with your Mac

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5
votes
1answer
1k views

How does Mac OS X 10.7 detect different displays?

I have a Macbook Pro with Mac OS X 10.7, and an external display screen attached to my Macbook, which is working fine. Sometimes, I have to switch the second display to a projector (because I want to ...
0
votes
1answer
35 views

My external monitor goes grayscale on the non moving parts of the screen (mid-2014 Macbook Pro Retina)

I have a mid-2014 Macbook Pro Retina 15". I also bought a 27" Acer K272HUL and I've connected the 2nd monitor to my Macbook via HDMI. So now I have 2 screens, my 15" and my "27". I usually play ...
4
votes
1answer
5k views

Is there a way to completely disable Spaces in Yosemite?

Is there a way to completely disable Spaces in Yosemite (without turning off Mission Control, Dashboard, etc.)? As someone who frequently switches between multiple monitors and using my Macbook on ...
2
votes
1answer
2k views

Connecting a Dell U2412M to a 2013 Retina MacBook Pro using DisplayPort to Mini DisplayPort

I recently got a Dell U2412M monitor. I'm attempting to connect it to my 2013 Retina MacBook Pro using a DisplayPort to Mini DisplayPort cable. I repeatedly get a "Entering Power Saving Mode" dialog ...
0
votes
0answers
7 views

Is it possible to set up an old iMac as an external monitor without Target Display Mode?

My iMac doesn't support TDM, I'm wondering if there may be any other solutions.
4
votes
2answers
2k views

1920 x 1200 resolution monitor with VGA not detected by Mac OS X 10.7.2

I recently got a Dell 2412m monitor with a screen resolution of 1920 x 1200. But in system preferences it only shows 1920 x 1080. I had it connected, beautifully, to my spare linux machine, so ...
0
votes
0answers
9 views

Disable Trackpad Gestures on external display

13" mid-2012 MBP OS X 10.9.5 Hey guys, I've had a quick look and couldn't find anything specific to my issue. I'm running a Video DJ Software that pops up its own video screen, and (when connected ...
0
votes
4answers
5k views

Put Macbook Pro to sleep with HDMI connected to External Monitor?

I have conneceted my Macbook Pro (Late 2011) to my recently bought 27'' monitor with an HDMI cable. I have done all the settings so when I close the lid, I can still use my external monitor without ...
2
votes
0answers
21 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 ...
1
vote
1answer
40 views

How to use external monitor with MacBook Air closed and on battery power?

I often use my MacBook Air (running OS X 10.9.5) closed at a docking station, where it's hooked to external monitor, keyboard/trackpad, and power. All good. The only issue is that occasionally the ...
1
vote
2answers
1k 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
vote
0answers
54 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 ...
0
votes
1answer
1k views

Make dock appear on both screens at the same time

I have an external screen connected to my mac. I have my Dock configured to be always displayed (not hiding it below the screen) How do I make the Dock appear on both screens at the same time?
3
votes
2answers
6k views

Macbook Pro Retina and 4k monitor (Samsung U28D590D) now showing “scaling options” in display

I have a Macbook Pro Retina mid 2014 running OSX Yosemite (10.10.1). I have connected an external 4k monitor (Samsung U28D590D), but I'm struggling to set the correct resolution. When I open "display" ...
46
votes
16answers
63k views

Can I change the brightness on a secondary display?

I have a MBP with a secondary display. Is is possible to have the brightness keys (F1 & F2) change both the main display (laptop screen) and the secondary display (a VGA external monitor connected ...
6
votes
5answers
2k views

In OS X Yosemite, how to keep the app switcher (or dock) on my main display?

I believe the app switcher (command + tab) is tied to where the dock "is". The dock is available on both displays, but I believe the last display in which you clicked on the dock is where it actually ...
3
votes
2answers
12k views

Secondary display with VGA connection resolution issue with Macbook Pro under Snow Leopard

I am on a MBP Early 2011, running Snow Leopard and am facing a strange issue. If I boot up my system and try to connect to my external display using the MDP->VGA adapter, System Settings won't show ...
1
vote
0answers
42 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 ...
0
votes
0answers
24 views

Extending desktop to 2 monitors with Cirago NuView X2 - MiniDisplay to 2 HDMI adapter

I am trying to extend my Mac desktop across two monitors. I am using the closed shell using Cirago NuView X2 Mini DisplayPort to 2 HDMI Adapter. The adapter claims that an extended desktop is ...
0
votes
3answers
25k views

Troubleshooting HDMI connection between MBP and Sony Bravia TV

I'm trying to connect my MacBook Pro (late 2011) running Mavericks to my Sony Bravia television like so: MBP thunderbolt port -> Mini DisplayPort cable -> HDMI cable -> TV HDMI 1 port. However, I'm ...
3
votes
2answers
5k views

Macbook Air not detecting correct external display resolution

My Macbook Air stopped detecting the resolution of my external display this morning and I'm not sure why because it was working fine last night. My display is 24" 1080p and in the past whenever I have ...
1
vote
0answers
21 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 ...
4
votes
3answers
3k views

MacBook Pro External Monitor Resolution

Is there a way to specify what resolution I want my external monitor to be? I have been looking around the internet for a few weeks, but I have not found a solution that works. The native resolution ...
1
vote
1answer
61 views

Daisy chain two monitors on a single thunderbolt port

I currently have 3 monitors (Asus VN247H) connected to a mid 2014 15" MBP Retina. Two connections are on thunderbolt (with TB->HDMI adaptors) and one on the HDMI port. I would like to use one of the ...
0
votes
1answer
89 views

Full screen mode across multiple monitors on Yosemite

I have a mid 2014 15" MacBook Pro Retina connected to 3 1920x1080 monitors on thunderbolt+HMDI ports (NVIDIA GeForce GT 750M 2048 MB). The monitors are in portrait mode with total screen resolution of ...
0
votes
0answers
11 views

Mac Book pro not entering sleeping mode after close?

I have Mac Book pro late 2011 with OS X 10.9.5 which is connected to the external monitor. When I close the Mac it not entering the sleeping mode. I still can see from my phone my skype. Through the ...
0
votes
1answer
14 views

Connecting Macbook Air to HPw1907 external screen

I have recently brought a HPw1907 external screen for my mac but having trouble connecting it. I have connected a VGA cable but as soon as I turn it on, the monitor goes straight to sleep. When I open ...
3
votes
2answers
6k views

Late 2011 13" MacBook Pro doesn't detect external monitor anymore on Mavericks

I have a late 2011 13″ MacBook Pro with OS X Mavericks updated to the latest version, which was usually connected to a HP Pavillon 23xi monitor using a Mini DisplayPort to VGA adapter. It worked like ...
1
vote
2answers
3k views

Can I connect two 34" LG 34UM95-P to a Retina Macbook Pro 13?

I have a Macbook Pro Retina, 13-inch, Late 2013 with Intel Iris Graphics. I'd like to get two LG 34UM95-P 34" 3440x1440 screens for it. Unfortunately, LG writes that it the only compatible Mac is ...
0
votes
0answers
25 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 ...
0
votes
0answers
776 views

Use late 2009 iMac as external display for 2013 MacBook Air

I would like to use my late 2009 "27 iMac as an external display for my 13" 2013 MacBook Air. I've searched the internet and found this thread (and it's sources) that suggests that it is possible to ...
19
votes
11answers
46k views

How to retrieve windows that have moved 'off-screen'

I have this problem sometimes with my dual-screen setup, especially when I'm juggling lots of things around. Occasionally I seem to be able to move a window entirely off-screen (I'm not quite sure ...
1
vote
0answers
30 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 ...
0
votes
0answers
23 views

How do I gather all windows onto one display when a second display is turned off on Yosemite?

I have a projector set up as a second display for an iMac running Yosemite. The projector doesn't stay on all the time, but when we watch a movie, if we don't drag iTunes or whatever app we were ...
0
votes
0answers
24 views

How to use Mission Control with multiple monitors?

I'm using a MPBr + Yosemite with 2x 27" monitors. I also use parallels with Win8 for development. I'm hoping to have 2x 'spaces'. (I'm not sure if that's the best way to describe this). Each space ...
5
votes
1answer
1k views

Constant flickering on my external display

I've recorded a 7 second video of it here: http://youtu.be/2k9P59Z32wE. Basically, the screen will alternate between a fuzzy picture, color bars, and then black every ~2 seconds or so. Technical ...
0
votes
0answers
37 views

If Thunderbolt is a successor to DisplayPort, why can't it support DisplayPort multi-streaming?

As a disclaimer: Yes, I know Thunderbolt (2) is multi-stream capable of up to 6 devices in a single chain. Yes, I know you can add a single DP monitor at the end of a Thunderbolt daisy-chain as an ...
0
votes
0answers
28 views

Incorrect resolution while external display connected

I have an Dell external display which has the best resolution @1440*900. My laptop is 2015 13 inch rBMP MX840. The problem is that when I connected this external display into the Mac, it cannot show ...
1
vote
3answers
3k views

Connect 2 external Monitors with Belkin's Thunderbolt 2 Express Dock HD

I need a little help here, I have attached my MacBook Air Mid 2013, to an Belkin Thunderbolt 2 Express Dock HD. On the product page it says that one can connect two monitors. The only condition is ...
1
vote
1answer
1k views

1440x900 no longer available on my external display after “MLB for NVIDIA” fix

My early 2008 Macbook Pro was recently fixed for the known "MLB for NVIDIA" issue. Since I've gotten my computer back, my external monitor no longer has the correct resolution available. This was ...
3
votes
1answer
26 views

Creating a new desktop on one monitor creates a desktop on all monitors

Additionally shifting my desktop on the one monitor I created (with 2 monitors plugged into my MacBook Pro) shifts every desktop. I don't want this feature how do I turn it off? I just want to be ...
0
votes
2answers
13 views

Unable to do a partial screen recording on OSX with quicktime

I am using multi-screen: I am using the primary screen of my MBP plus two external monitors via displayport When I start the screen recording, it is the message I see on my screen I go on to ...
1
vote
1answer
3k views

How do I stop/freeze my secondary display?

I'm fairly new to Mac and having a dual monitor setup, but I have my secondary display working and arranged above my laptop. I want to be able to move between screens on the laptop and have the ...
0
votes
0answers
24 views

Disable automatic display detection

I have a MacBook Pro with two monitors attached: one via HDMI and the other via a DisplayPort adapter to DVI. The DisplayPort adapter is finicky and sometimes comes loose, causing OS X to attempt to ...
8
votes
6answers
11k views

External monitor resolution setting is lost after MacBook “wakes up” from sleep

I have recently purchased an external monitor that I am connecting to my MacBook Pro (Late 2009) using the MiniDisplay-to-VGA adapter. I have both the external monitor and the MacBook's monitor set to ...
2
votes
1answer
25 views

Any trick to use my 2008 iMac (mini-DVI) as a secondary monitor for my MacBook Pro?

I have a 2008 iMac (with mini-DVI and NO Thunderbolt) and I want to use it as a secondary monitor for my MacBook Pro. The FAQ for Target Display Mode says that it's possible to do it with an 2009 or ...
2
votes
2answers
319 views

Intermittent Static / Garbage External Display On Wake and Boot? Picture included

Intermittently (relatively frequent) when the MacBook wakes from sleep and it kicks the external displays on, one or all of them may be fuzzy like this. I have one display in a Thunderbolt port, and ...
2
votes
3answers
2k 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 ...
2
votes
1answer
145 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 ...
0
votes
1answer
5k views

Force external display refresh rate

I have a 27" screen which is connected to my mid-2012 MacBook Pro retina through a HDMI/DVI-D (HDMI on the MacBook Pro, DVI-D on the screen). Before I was using a adapter DisplayPort+USB/DVI-D and I ...