refers to using two or more displays with your Mac

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4
votes
2answers
7k views

MBP 2011: external displays not detected automatically

My late-2011 13" MacBook Pro generally doesn't automatically detect external displays. At work or at home, I plug it to either a 23" Cinema Display (2005) or a 24" LG display using a Mini DisplayPort ...
1
vote
1answer
216 views

Suggestions for Multiple 24" LED Cinema Displays and MacBook Pro

I have two Apple 24" LED Cinema Displays and a mid-2010 17" MacBook Pro. I've used one display with the computer for a long time, but recently acquired the second display. Given that I have these two ...
2
votes
2answers
1k views

Is it possible to get OS X to remember my screen arrangement?

I use my MacBook with an external monitor at work and home. Unfortunately, they are both the same model and this seems to confuse OS X. At work, I have the monitor on the left and at home the right. ...
6
votes
5answers
8k views

Is it possible to show a screensaver on a secondary monitor while using the primary monitor?

I have an iMac with a large format display set up as a secondary monitor that we use as a television for watching movies. When I am just using the iMac, I would like for the secondary display to ...
16
votes
2answers
29k views

How do I move a window to my secondary monitor above the menu bar?

I just bought a second monitor which I've placed on a stand above my macbook. It seems to be working great but I can't move any application windows on to it because it's also above the menu bar. Is ...
1
vote
1answer
389 views

External monitor suddenly stopped working at 2440x1440 on OS Lion 10.7.3

I have a 27" iMac and I'm using Samsung SyncMaster SA850 as a second monitor (connected via a displayPort cable with a mini DisplayPort adapter). Everything worked fine until yesterday - the Samsung ...
1
vote
4answers
9k views

Thunderbolt to VGA monitor blank in Boot Camp Windows 7

I have a 22" external monitor connected to my MacBook Pro (late 2011) via Thunderbolt to VGA. When I boot into Windows 7 x64, the screen seems to work and is mirrored during the boot screens, then it ...
5
votes
1answer
1k views

Dual Thunderbolt displays with a Mac running Windows under Boot Camp?

Is it possible, on a brand new MacBook Pro, to use two external Thunderbolt displays under Windows booted from Boot Camp? I found this KB article, which says no. I also found this thread, where ...
2
votes
2answers
2k views

How do I stop my MacBook Pro from randomly freezing when trying to go to sleep?

My 2011 MacBook Pro has been having a problem occasionally where I put it to sleep, but it continues to run. Later when I go use it again, I realize that it was on the whole time (usually inside my ...
0
votes
1answer
211 views

Can I switch away from full-screen DVD Player on a second monitor without having it exit full screen mode?

I am a part-time projectionist, and we use DVD Player to show the movies on the projector. Sometimes, though, I need to do something while the movie is playing. Unfortunately, if I try to switch ...
7
votes
3answers
7k views

9 Monitors connected to a Mac Pro

I'm researching the best way to make a 9 monitor video wall (3x3 grid). Anyone have any experience doing this with a Mac Pro? Anyone know the maximum amount of monitors I can hook up to a Mac Pro?
2
votes
2answers
233 views

Only Getting Monochrome Output on TV

I'm connecting a late-2006 MacBook Pro with the Apple DVI to Video adapter and an S-video cable (4 pins) to a high-end but outdated TV. Unfortunately, the output via the S-video cable seems to be only ...
2
votes
1answer
3k views

Possible to independently use Macbook Pro and external monitor?

Guess I'm getting old and set in my ways using Spaces and Expose on my Macbook Pro. I like my hotspots as they are and flip through the four screens with ease (option-arrow). My work recently bought ...
38
votes
8answers
114k views

How to connect two non-Thunderbolt displays to the Macbook Pro 2011 via Thunderbolt?

I have the VGA and HDMI adapters for my Macbook Pro 2011, but can only connect one display at a time - neither adapter has a female Thunderbolt connector to act as a passthrough. My understanding is ...
11
votes
4answers
6k views

How to use the new iPad (3rd gen) as a second screen?

I carry my iPad everywhere, and now that I've got the new one with the high resolution display, I'd like to use it as a second monitor for my Macbook Pro. It would be great if I could occasionally ...
2
votes
1answer
1k views

Interference on external VGA monitor (intermittent ripple) only when booted into MacOS X but OK on Windows Bootcamp, why? and how to fix?

I'm seeing a ripple-like interference on an external display attached to my 2010 Mac Book Pro via VGA (Display adapter). This only occurs when the Mac is booted into MacOS X but not Windows. It's ...
2
votes
3answers
2k views

What impact can a dual monitor setup have in overall performance?

I have a MacBook Pro late 2008 (2.4GHz Core 2 Duo with 4GB memory) and am considering getting a second 24" monitor. I understand having a dual monitor setup may decrease performance, but how much ...
1
vote
2answers
2k views

What Thunderbolt hard drives support daisychaining?

I would like to daisychain a monitor through an external hard drive, using Thunderbolt. Are there any hard drives with an additional Thunderbolt port? Preferably compact and affordable. I would also ...
5
votes
2answers
7k views

Reset external monitor settings (Lion)

When I plug an external monitor into my MacBook (Air, Pro... it doesn't matter), I can change the monitor's settings (resolution for example) and Mac OS X saves the configuration for the next times I ...
3
votes
3answers
11k views

Dual Monitors with MacBook Pro

I want to use 2 external monitors along with the MacBook Pro as one Monitor to the left of Macbook Pro, the other one on the right, with Macbook Pro in the middle. Is it possible to do that? How to ...
2
votes
1answer
2k views

Using existing DVI/VGA monitors with a new Mac Mini

I currently have a PC with dual monitors. This PC is on it's way out and I want to replace it with a new Mac Mini, using my existing peripherals. The current monitors are a 27" Dell (2560x1440) ...
1
vote
1answer
161 views

Multiple Screen Standby/Resume Problems

I have a large widescreen monitor plugged into my Macbook which is running Lion. Since upgrading to Lion I've noticed that I can't resume from standby if my other monitor was plugged in when I closed ...
5
votes
2answers
8k views

Replace or add graphic card on Macbook Pro

Is that possible to replace the existing graphic card of a Macbook Pro (Mid 2010, Mini DisplayPort, GPU: NVIDIA GeForce GT 330M) for a graphic card that could support 2 screen output? Or else is it ...
4
votes
4answers
2k views

Primary display randomly changes

I'm using a MacBook Pro (Late 2011) connected to two Thunderbolt displays. The displays are chained together, and one Thunderbolt connection is made to the MacBook Pro. I prefer to have the left ...
3
votes
2answers
3k views

Dongles to connect 2 monitors to a 13" mid-2010 MacBook Pro (mini DisplayPort)?

I won't be using the integrated display. Right now, one external monitor is connected through a mini DisplayPort to VGA adaptor. How should I connect a second?
8
votes
2answers
8k views

Can I get sound out of both iMac and attached Thunderbolt Display?

I have a dual monitor setup (iMac + Thunderbolt Display). The System Preferences > Sound > Output setup only allows me to choose between one or the other monitor. This causes the sound to come only ...
2
votes
3answers
5k views

Can I use two 27“ Cinema Displays from a 15” MacBook Pro?

I am interested in purchasing a MacBook Pro and running multiple monitors when I am at my desk. Ideally, I'd like to run two 27" Cinema Displays when I am working at my desk, but would be okay with ...
1
vote
2answers
2k views

Prevent windows and Desktop icons from rearranging with multiple monitors?

I connect and disconect my MacBook Pro from a number of external displays each day. Each time I connect or disconnect the size, shape, and positions of windows and Desktop icons become disorganized ...
1
vote
1answer
335 views

Any way to change recommended resolution for all users on a Mac (preferably via Terminal)?

I work on a college campus with a number of iMacs hooked up to projectors. For some reason, after imaging, they all default to 800x600 resolution on both the iMacs and the projectors, despite their ...
9
votes
4answers
49k views

How to Connect Multiple Monitors to a MacBook Air

Usually I connect my MacBook Air 11" to a secondary display via the Thunderbolt port. What do I need to connect it to two external monitors?
3
votes
1answer
3k views

Closing lid for clamshell doesn't make external monitor primary under 10.7.3 on MacBook Air 13"

I'm connecting a 13" MacBook Air to a Dell 22" screen using the Apple Mini DisplayPort to DVI Adapter, with an Apple Keyboard with Numeric Keypad plugged into a USB on the MacBook and a USB mouse ...
1
vote
1answer
957 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 ...
5
votes
1answer
584 views

How can I spread a wallpaper out to 2 displays?

I have an early 2011 MBP powering 2 Thunderbolt displays. I have downloaded the proper resolution wallpapers from Digitalblasphemy's site (5120x1440), but can't figure out the setting to spread the ...
11
votes
1answer
418 views

Is there a way to run one application in Full Screen mode on one display and still be able to view and access applications on a second display?

When I make an app go full screen on my primary display - a 24" Apple Display - everything previously visible and accessible on my second display - my MacBook Pro screen - is hidden by the default ...
3
votes
1answer
307 views

All open applications placed on main display after sleep

I've got an iMac 27" i7, with a secondary monitor hooked up via its display port (adapted from a DVI cable coming out of the secondary display). After my iMac goes to sleep, when I wake it back up, ...
5
votes
3answers
1k views

When my external display is on, my Mac thinks it's off. When it's off, on

Hardware details: MacBook Air, Mac OS X Lion 10.7.2 Mini DisplayPort to HDMI Adapter Standard HDMI cable Famous Maker 23” Ultra-Slim LED Display, 1080p Yesterday everything worked fine. Today when ...
1
vote
1answer
557 views

External monitor has wrong resolution

I have a 23' external monitor (through VGA) which always worked at 1440x900 and looked amazing. Today after I unplugged it, it still says it's working at 1440x900 but it's actual resolution is bigger. ...
6
votes
1answer
559 views

How can I show Growl notifications on both displays?

I've got a MacBook Pro connected to an external display. Right now the notifications come through on on the primary display (MacBook Pro built in display) and not the external display. I know I can ...
2
votes
3answers
7k views

Where are System Preferences settings stored? Trying to script equal brightness settings for two monitors

I was wondering if anyone know where the System Preferences settings are stored on Mac OS X Lion? I presume there's some .plist with them somewhere. I think that they might be stored in multiple ...
2
votes
2answers
4k views

Can I connect 3 screens to my iMac?

I am trying to connect iMac to 2 other monitors as well as my TV. That is a total of 4 displays. HERE IS MY PLAN!!!-(I'm not rich) I have a 21.5 inch iMac that has one thunderbolt port but can also be ...
1
vote
1answer
541 views

External Display is not behaving as expected

When i plug my cable into my macbook pro it will show the default home screen on the tv but it doesn't show anything from my desktop. I can swipe over and see one thing from my dashboard but nothing ...
3
votes
2answers
695 views

How to wake the screen from terminal?

I often have my MacBook Pro in clamshell mode attached to the second monitor. On my first monitor I have Windows machine and I use Synergy-Foss software to share only one mouse+keyboard between them. ...
2
votes
2answers
3k views

External monitor has “snow” at 1080p/i when connected to MacBook Air

When I connect an external monitor to my new MacBook Air via Mini DisplayPort to HDMI, I see the extended desktop but there are snow-like artifacts. When I change the resolution to 720p, the screen ...
0
votes
1answer
759 views

How do I disable secondary display connective via HDMI on Lion/Mini?

I have a late 2011 mini and the HDMI out is set up to go to my receiver and thence to my TV. When the TV is off, I would like it not to extend my desktop to it, but it is. How can I prevent that other ...
3
votes
1answer
1k views

How can I use a Linux box's display as a third display for my MacBook Pro?

At work, I have a MacBook Pro that I use as my primary machine. I also have a RHEL6 box that has a dual-head graphics card. When my KVM is switched to the Mac, the second display that is hooked to the ...
0
votes
1answer
822 views

MacBook Pro mini displayport to DVI D doesn't show anything on the Compaq 2021 monitor

I am using a MacBook Pro running 10.6.8. I have been using a Compaq s2021a monitor with mini displayport to VGA adaptor and cable until now. I bought a mini displayport to DVI adaptor and DVI - DVI ...
1
vote
1answer
2k views

External display only shows background

When I plugged my MacBook Air running Lion into a projector today the projector only displayed the desktop background. I could swipe between desktops, but it still only displayed the background (this ...
1
vote
0answers
387 views

Low display resolution after using external display?

I've a refurbished late-2008 Macbook Pro running the latest version of Lion. This problem started couple of weeks ago. Whenever I detach an external monitor, the resolution on the laptop display goes ...
0
votes
1answer
415 views

Full screen zoom: follow keyboard focus doesn't work well

There's a setting in full screen zoom called 'follow text focus', which is supposed to cause OSX to follow the position of the text caret instead of the mouse pointer when in full screen zoom mode. ...
0
votes
0answers
89 views

Waking up MBP for external display

According to the docs, to use an external monitor as the sole/primary display device, I can close the lid on my MBP. To wake it up I can either press a key on my bluetooth or mouse. Therein lies my ...