refers to using two or more displays with your Mac

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0
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1answer
2k views

How do I reset/clear my external display settings in 10.9?

I messed up the settings for the clamshell display mode on my MacBook Pro. I can't get my external display to work when I close my laptop. I can get all other modes working (standard mirroring and ...
0
votes
1answer
183 views

MacBook Pro no longer outputs native resolution to external monitor when rotation is on

I have a mid 2012 Retina MacBook Pro running Yosemite 10.10.3. As of last week, I was running an external Dell 24" monitor connected with a Thunderbolt to DisplayPort cable and rotated to portrait ...
0
votes
1answer
19 views

HDMI to VGA with USB-C VGA adaptor on 2015 Retina Macbook

I have one of the new Macbooks on the way and have also bought the Apple USB-C Digital AV Multiport Adapter with HDMI to go with it. If I want to get VGA with this adaptor, rather than buying the ...
5
votes
2answers
607 views

CPU usage is too high with Yosemite and an external monitor

I use Yosemite 10.10.4 on my MacBook Pro (2012). I used to work with an external monitor: Apple Thunderbolt 27" monitor. The issue is that, according to Activity Monitor, the kernel_task process ...
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
2k views

Macbook Pro Retina 15.4" External Display wrong resolutions

Before this machine I had a late 2008 MacBook Pro, 15.4" (Lion) with max resolution of 1440x900. Through the mini to HDMI adapter I attached a second display (TV/Monitor model 19LG3000) and I was ...
0
votes
0answers
9 views

Display connected via DisplayPort disconnects, reconnects when resuming, resizing windows on display

I have a new LG 29UM55 29" Ultrawide monitor, resolution of 2560 x 1080, connected via DisplayPort to my 2012 MacBook Air 13" via a Cable Matters Mini DisplayPort to DisplayPort cable that reportedly ...
5
votes
2answers
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
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0answers
55 views

MacBook Pro (Retina, 13-inch, Early 2015) Dual External Monitor Performance

According to the MacBook Pro (Retina, 13-inch, Early 2015) Technical Specifications, the Graphics and Video Support for the 2015 Retina MBP 13-inch is: Intel Iris Graphics 6100 Dual display ...
3
votes
6answers
12k views

How to disable Macbook Pro internal display when using external monitors

I have a Late 2011 Macbook Pro 13" (running Lion - OS 10.7.4) which I use with a dual external monitor setup. I have two 21" LCDs that I use as external monitors. One uses the built in Mini Display ...
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 ...
0
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0answers
20 views

MacBook Pro won't display Dell SX221ot

I'm running Yosemite 10.10.4 on my new MacBook Pro 13" with retina display. It rarely lets me use the external HDMI monitor. The Mac recognizes the monitor, but nothing is displayed. I've tried ...
9
votes
2answers
81k views

How could i use an iMac as secondary monitor for windows 7 laptop

Recently (less than one year ago) i bought an iMac 21,5". Now i would like to use it as secondary monitor for my laptop. (My laptop runs Windows 7). Is it possible? (I found conflicting opinions on ...
0
votes
0answers
12 views

Make a window jump between displays?

Any good apps (app store official would be preferred) that make a window jump between displays? When I used a Windows PC at work there was a program installed, I can't recall what, that when i ...
1
vote
1answer
22 views

Is there are tool that can store and retrieve monitor arrangements as presets?

I'm working with a MacBook at different locations where monitors are then in a different positions relative to the MacBook's screen. As a result I have to rearrange the monitor setup every time I use ...
6
votes
3answers
1k views

Mavericks window loses focus on Cmd+Tab

In OS X Mavericks (10.9) I have discovered a very annoying bug. To reproduce: Have an external monitor connected to your Mac Open two windows of the same application (e.g Chrome), and place one ...
1
vote
1answer
26 views

Scaling all UI elements when using an external monitor

When I use my Macbook Pro's internal monitor, I have the following options in the Display settings menu: The best thing here is the Scaled option, which means that I can use the native resolution of ...
0
votes
1answer
62 views

How can I force new browser windows to open on my main display?

I use a MacBook Air at work connected to a larger display, which while working is my main display. I use the MacBook's display as a secondary screen on which I usually have a browser open with some ...
0
votes
1answer
6k 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 ...
0
votes
1answer
25 views

Move dock between displays keyboard shortcut (or keep on both displays)

I would like to move my dock via keyboard shortcut between displays. When I connect my second display (which I use as my active display) and try to use the pad to 'learn' this new display is the main ...
0
votes
1answer
31 views

Is it possible to connect 3 non-Apple monitors to a 2014 macbook pro retina without adding extra hardware

Like the title says - I already confirmed this to work with my 2012 macbook pro retina with 2x Dell U2515 2516x1440 and 1x ASUS VW199 1440x900 - but since Apple tech still states that it should not be ...
0
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0answers
28 views

Macbook Pro - VGA to HDMI adapter second display resolution problem

I bought a NON APPLE VGA to HDMI adapter. It works well with other PCs but when I connect it to my mac and connect a second display to it, The resolution is locked at 1336 by 768. When I go to the ...
0
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0answers
43 views

Problem with external monitor quality!

I'm trying to connect my MacBook Pro 15'' Late 2012 to an external Full HD TV/Monitor via a Mini Displayport to HDMI cable. The quality is not good at all! It looks blurry, especially the font! Does ...
1
vote
2answers
3k views

Extremely poor video quality on Samsung monitor with HDMI

I have connected my MacBook Pro to a Samsung P2770HD monitor using a Kanex brand Mini Displayport to HDMI cable However, the output on the Samsung monitor is absolutely garbage. It is pixellated to ...
5
votes
2answers
75 views

Is there a way for locking the screen and putting it to sleep/activating the screen saver to be two different events on a MBP?

This question is very similar to what I want to accomplish, except for the fact that I also want to be able to put the display to sleep at times without triggering it to ask me for a password. I ...
3
votes
1answer
35 views

Mac Pro ATI 5770 with 3 monitors - what active adapters needed?

I just bought a Mac Pro 2010 with an ATI5770 that has 2 x Mini Display Port (DP) and 1 x DVI. The current configuration is as follows: Mini DP A > passive HDMI adapter > 1920 LCD Mini DP B > ...
1
vote
0answers
37 views

Text is blurry in many apps after disconnecting external monitor

I have a 2015 Retina MacBook pro. Sometimes I connect it to a 24" Dell external monitor via thunderbolt->dvi. Whenever I disconnect the monitor, many apps (chrome, most noticeably) have blurry text. ...
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 ...
1
vote
2answers
1k views

Windows on Parallels 10 with 2 out of 3 monitors only

I've MacBook Pro with 2 external monitors connected. Is there a way to configure Parallels so that it allows you to use 2 monitors for Windows and the main one for Mac? I only found option to make it ...
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
24 views

VMWare Fusion > Full-Screen Displays > More than one & fewer than all. (n > x > 1, n=total x=desired)

Just curious if anyone has figured out a way to force VMWare Fusion to use only a subset of the displays available when going Full-screen? (Available toggle is one or all) I want to have one display ...
1
vote
3answers
416 views

Can Mid 2015 Macbook Pro Run 3 External Monitors?

I have a mid 2015 MacBook Pro, and I want to run three external monitors - it only seems to power 2 of them. I can seem to run any combination but only two. I am powering them through 1 X thunderbolt ...
14
votes
3answers
6k views

Does Apple support DDC/CI for 3rd party displays via Apple's Thunderbolt to DVI adapter

I had a Dell 21.5" monitor, which was previously connected to a Windows PC via its DVI port, which has no problem with DDC/CI which allowed me to control brightness and Contrast of the attached ...
0
votes
1answer
181 views

Why does secondary screen turns black when selecting “Mirror Display”

I have a MacBook Retina. Whenever I attach a secondary screen, projector or monitor and select the "Mirror Displays" option, the secondary screen turns all black. It does not matter what connection ...
1
vote
2answers
24 views

Project screencast of a Mac on remote controlled second computer

I have 2 Macs (which I'll call A and B) and a video-projector. Mac B is connected to the video-projector. I want to show on the video-projector the screen of Mac A but the video-projector is too far ...
0
votes
0answers
17 views

MacBook goes to sleep even though external display connected and identified, and power cord connected

I have a mid-2012 13" MacBook Pro, an external keyboard attached via USB, and the power adapter is plugged in, too. According to Apple the lid can be closed and only the external display will be used ...
3
votes
2answers
8k 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" ...
2
votes
1answer
33 views

Mirror parts of screen to external monitor

I'd like to mirror/clone separate parts of my iMac screen to smaller external displays. For me the best solution would be to draw a frame on top of the iMac display and let that special frame show ...
2
votes
0answers
671 views

Activating the Apple Thunderbolt Display speakers when Macbook Pro is docked

Sometimes, I don't get access to the Display Audio that my Thunderbolt Apple Display provides when I dock to the machine with my MacBook Pro. The clunky way to solve this, is a reboot. I've tried ...
2
votes
2answers
769 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 ...
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
1answer
67 views

RMBP outputs 4k@60Hz ONLY when lid open

I've got a weird problem. I recently got a new Philips BDM4065UC UHD monitor for my Late 2013 15" retina MBP (it's amazing), connected it using DisplayPort 1.2 (also set on the display) and when using ...
4
votes
3answers
4k 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
0answers
68 views

Yosemite crashes every time on reboot with an external display connected

My new RMBP 13 crashes every time on reboot if displays are connected to the Thunderbolt port. Yesterday it also crashed during operation of a connected TV to Thunderbolt while displaying a ...
1
vote
1answer
100 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
1answer
73 views

mid-2014 rMBP multiple monitors

I have a mid-2014 MBP retina with the Intel Iris Pro 1536 MB GPU running Yosemite. Current setup: 1x 27" Thunderbolt Display 1x 27" Cinema Display I went to connect another non-Apple monitor to ...
0
votes
3answers
28k 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 ...
1
vote
1answer
150 views

2 external USB monitors on MacBook Pro

I have a new macbook pro, got it in january of 2014. I am trying to connect 2 USB ASUS MB168B monitors via the separate USB ports on my macbook pro. One will load up and they other one goes black. The ...
1
vote
1answer
4k 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
1answer
22 views

Play flash content in QuickTime player

It possible play web video content like a Flash or HTML5 file in external player like a QuickTime player or VLC player. Play video like it made in iphone when using safari.