refers to using two or more displays with your Mac

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2answers
4k views

iMac second monitor alternative

I would like to have a dual screen setup with my 21" iMac, but I'd like to avoid the expensive 27" official monitor from Apple. Is there a specific 21" screen that would fit well in size, resolution, ...
3
votes
3answers
549 views

Auto-changing focus with dual monitors

I just setup dual monitors for my Mac and keep accidentally typing into an app in monitor 1 after I've moved my mouse to an app in monitor 2. I can't be the only one who runs into this with dual ...
2
votes
1answer
848 views

Display size problems with two monitors

I just added a second monitor and my display is mis-sized. My macbook air monitor extends partly onto my external monitor. There are parts of the display that are off-screen - if I move my mouse to ...
6
votes
1answer
452 views

Can I hot-plug a DVI monitor in a Mac Pro?

I have a Mac Pro with a DVI display, and I got a new DVI display for it. I want to unplug the (only) display, and plug in the new display to that DVI port. And/or, unplug the existing display, and ...
0
votes
1answer
668 views

Bootcamp HD monitor overscan problem on MBP

I've got a MacBook Pro (Early 2011) set up with Windows 7 64-bit on a Boot Camp partition. I'm using a mini DisplayPort adapter and an HDMI cable to connect to an Asus VH232H monitor. The problem is ...
1
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1answer
497 views

Mac Mini server - Dual screens?

I'd like to setup dual screens on the new Mac Mini OS X Lion server, however as I understand it you need to use the HDMI port and the thunderbolt port. The only problem I have is I'm already using the ...
1
vote
1answer
174 views

What (hardware/software) projector setup is needed to project both displays?

I have a (non-Thunderbolt) 17" MacBook Pro connected to an external display. I want to project both screens (from MBP and external displays) each onto separate screens. Is there a way to do this? And ...
2
votes
1answer
556 views

Main monitor goes black when using external monitor on MacBook Pro

This problem happens occasionally frequently with my Macbook Pro. When I plug in one or more external monitors, the main monitor goes black. When I try Detect Displays it does not register the ...
1
vote
1answer
606 views

How applications behave with Matrox Dualhead2go?

Matrox Dualhead2go makes it possible to have 2 external screens for a Macbook Pro. It performs that by splitting a very large screen in two smaller screens. I am very worried as to how will the ...
0
votes
1answer
1k views

Second monitor for 2009 Mac Pro

I have a 2009 Mac Pro with a ATI Radeon HD 4870 (option). It is connected to a 2009 24" Cinema Display. If I want to add a second monitor (non-Apple), what type of monitor/connector/cable do I need? ...
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
214 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
28k 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
382 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
204 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
225 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 ...
36
votes
8answers
109k 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 ...
10
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 ...
1
vote
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
6k 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
160 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
7k 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
7k 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
332 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
48k 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
925 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
565 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 ...
10
votes
1answer
410 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
303 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
539 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
538 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
6k 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 ...