refers to using two or more displays with your Mac

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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
522 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
497 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 ...
1
vote
1answer
510 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
646 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
2k 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
683 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
789 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
373 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
395 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
88 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 ...
1
vote
4answers
335 views

Can I use a rotatable DVI monitor with a Thunderbolt port?

We're looking at buying new MacBooks for our dev team, and I have a concern about the way Thunderbolt is used in a chain for multiple displays. We're even willing to purchase new, Thunderbolt-capable ...
2
votes
1answer
578 views

Does using a macbook with an external monitor damage the health of the battery?

I have an (oldish) MacBook Pro that I use with an external monitor, which requires that the MBP power adapter be plugged in all the time. Does that damage the health of the battery? I ask because my ...
5
votes
4answers
2k views

Is there software that allows me to use my Macbook Pro as a second monitor for iMac?

I'd like to do monitor spanning with my Macbook Pro next to my iMac, I haven't really found a good solution, anyone use anything they can recommend? I'm using Lion. Thanks.
6
votes
6answers
7k views

How Do I Disable the Webcam on an External Thunderbolt Display

I've got an iMac 27" paired with a Thunderbolt 27" display that's rotated to portrait mode. Both of them have integrated webcams. Some applications are screwy and inconsistent about letting me pick ...
1
vote
1answer
360 views

Can I use my 2010 iMac as a display for my 2011 MBP?

My Belkin Mini DisplayPort to MiniDisplayPort cable has just arrived. I have the laptop plugged into the iMac. Everything is arranged the way I need it, except for one thing. How can I cycle between ...
5
votes
5answers
6k views

Big black vertical bar on external screen

I'm trying to plug an external screen on my 2010 macbook pro 15", but when I set the maximal resolution, 1920*1080, the image seems a little constrained, and a big black vertical bar appear on the ...
0
votes
1answer
141 views

Mac Pro Dual Displays

I have a 2007 Mac Pro that shipped with 10.4.7, and an ATI Radeon X1900 XT graphics card. The card has two DVI outputs for a dual display setup. I recently updated my OSX to Snow Leopard and have ...
3
votes
1answer
1k 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 ...
7
votes
4answers
4k views

Weird display issue on OS X Lion when switching external monitor

I'm using a MBP with a second (external) monitor and since I upgraded from Snow Leopard to Lion, I encountered some display issues that appear in the Application Switcher, and sometimes in the ...
7
votes
7answers
4k views

Window out of visible workspace range / unreachable

I'm running OS X Lion on a MacBook Air 11", and when I unplug my secondary display, some windows (e.g., Finder) are overflowing at the edge of the screen. This usually happens on the right-hand side ...
11
votes
2answers
9k views

Dual monitors and OS X Lion : get menubar and app switcher on both displays

I've just plugged in another monitor into my 13 inch MBP running OS X Lion. It works fine, except for three little annoyances: Whenever I use the application switcher (or whatever it's called, I ...
3
votes
1answer
185 views

Biggest external monitor support for MBP 13"

I'm using a MBP 13" and want to connect it to an external monitor. What is the largest resolution supported for an external monitor? From what I know this MBP is using VGA intel. Workstation: OSX ...
2
votes
1answer
1k views

Mac driver for Lenovo L2230x Monitor

At work, I'm connecting my MacBook Air 11" to a Lenovo L2230x Monitor (aka L2230xwA) to extend my display. Given that the MacBook Air has no Ethernet connector, today I thought I might put the ...
1
vote
2answers
894 views

External video cards with MacBook Pro?

I need to connect two displays to my MacBook Pro, and I read a recommendation to use external video cards to accomplish this. How can I do this? Do I just buy a video card and some kind of case which ...
5
votes
4answers
14k views

Dual-Monitor Output from a new Macbook Pro

I need to output to two screens from a Macbook Pro 17" I'm looking at buying. My current laptop has a VGA port and an HDMI port, and so it's pretty easy to run a dual-display setup with it. How would ...
0
votes
2answers
484 views

How to a pull a window to my second monitor that's above the current one when the menu bar is in the way?

The menu bar is in the way so I can't pull one of my windows there. I had to move the bar up to that monitor as well so it wouldn't be in the way.
2
votes
2answers
4k views

Will Mac Mini 2011 run two HD monitors?

I'm thinking of getting the basic Mac mini with the Intel HD 3000 graphics. I'm planning to run two 1920x1080 screens - one with a mini DisplayPort to DVI, the other with an HDMI to DVI. Has anyone ...
3
votes
2answers
654 views

AppleFontSmoothing Has No Effect On My ViewSonic VX2450

I've followed the advice in these questions and am not having any luck. No matter what I try, the fonts are rendered so poorly on the external monitor. My environment - MacBook Pro 15" Early 2011 ...
2
votes
1answer
1k views

iMac 2011 - two external monitors

I have an iMac from 2011 and there is already one external monitor connected via minidisplay port to dvi adapter. Today I wanted to connect another one, as the iMac features 2 minidisplay/thunderbolt ...
1
vote
3answers
359 views

How can a bring the windows of an application on the primary display?

For some reason my Air still uses its own LCD when the lid is closed, so that I often find that an apps windows are all on a display that I cannot see. Is there any way of bringing them to the ...
2
votes
1answer
636 views

Can I connect standard Dell displays to a Thunderbolt iMac?

Can I connect standard Dell monitors to a Thunderbolt iMac? I think the Dell monitors are VGA with DVI-D ports.
1
vote
0answers
220 views

Any way to compare Thunderbolt config in picky iMac 21.5“ and happy MacBook Air 11”

Having tried to debug a really annoying 21.5" iMac for a day now, I'd appreciate any hints. The scenario goes like this: We got an iMac 21.5"(Mid-2011) for an auditorium and plugged it in through an ...
2
votes
2answers
2k views

How to lock the mouse to one monitor in a multi-display setup. (On a Mac)

I've been looking for a way to lock the mouse to one monitor in a dual, or more, display setup. [Edit:] The application that I am programming will be run in full-screen mode only, at all times. This ...
1
vote
0answers
358 views

How can I prevent a popup from opening in another desktop?

I'm using a Macbook Air with an external monitor (I finally converted from Windows, don't know what took me soo long ;-) ). When I have a Chrome browser window open in the external monitor and click ...
1
vote
1answer
2k 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 ...
4
votes
1answer
287 views

How do I reset the Display cached data?

A week ago I noticed a weird Lion symptom, and posted a vague description of one this problem. Today, after some tests, I came to a conclusion that this bug reproduces whenever a the computer is ...
1
vote
1answer
243 views

What's the best way to control two Macs from one laptop?

I have an MBP and a MacPro. I tend to use the laptop a lot of the time but have need to control the workstation (e.g. for iTunes, DVD Player, TV tuning etc.) from another room or when I'm working at ...
2
votes
3answers
776 views

Is there a way of swiping between single spaces on a multi-monitor setup?

In Lion, being able to swipe between desktops with the trackpad is great. However since adding another monitor to my setup, what I really want to be able to do is swipe desktops across monitors. E.g. ...
22
votes
6answers
15k views

Is there a keyboard shortcut to move a window from one monitor to another?

Is there a free app that I can use to move a window from one monitor to the other monitor (assuming only two monitors) via the keyboard? I shouldn't have to use the mouse at all (e.g., for selecting ...
4
votes
1answer
248 views

defaults write display detect

I have a mac mini connected to a TV that is on during the day and switched off at night. This displays a web page with stats during the day. When the TV is turned off the resolution readjusts to I ...
5
votes
1answer
424 views

Can Spaces be used on only one monitor (with another displaying just one desktop)?

I like Spaces, and I like my two-monitor setup. However, I'd like to just use spaces on one monitor, while keeping the other one always showing the same desktop. For example, Monitor 1 shows ...
4
votes
2answers
450 views

What can the minidisplay port on the MacBook Air do?

What features does the minidisplay port on the MacBook Air (early 2010) allow you to do? I couldn't find much information about it in the Air's manual. All it said was that it was a video out ...
6
votes
6answers
2k views

Dual monitors causing wireless drop outs on MacBook Pro running Lion

I have a 13" 2011-model MacBook Pro running Lion that I connect to a Dell monitor. The connection is made as follows: mini DisplayPort -> mini DisplayPort to DVI-D adapter -> DVI-D into monitor. ...
1
vote
3answers
982 views

Is a Macbook pro not able to use dual screen on the integrated graphics card?

I have a MBP early 2011 model and when running on the integrated GPU I'm unable to dual screen. The screen is a VGA monitor running at 1400 x 900 yet it won't display so do I always have to switch to ...
3
votes
1answer
621 views

Vertically arranged multiple monitors: some apps won't let me drag them “above” the menu bar

I'm working on a MacBook Pro, with my external monitor arranged on a higher shelf, and "arranged" within my display preferences as being "above" my MBP display. I use the larger monitor when I'm ...