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Here's your answer http://support.apple.com/kb/HT6008 This document from Apple explains


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What's officially "supported" and what's possible don't match. I have a late-2012 rMBP and got 4K out of it at 30Hz. I took a screenshot as proof: Just a normal mini-displayport<->displayport cable was used. More details in my answer here: http://apple.stackexchange.com/a/147765/39878 or on this blog post: ...


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I see no reason why you could not plug three external monitors into a Mac, whether it's running OS X, or Windows under bootcamp. There are two Thunderbolt connectors and one HDMI connector, and they all work as video outputs - the driver should be able to handle a monitor plugged into each of these. As the comment on the question mentions, Windows does not ...


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If the cinema display unit is the 30in version, you need a converter box to change the signal out from mini-display port or thunderbolt. This is what I use for my system, but there are others out there that will convert the signal for it. ...


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On Mavericks, you can go to System Preferences -> Mission Control and check "Displays have separate spaces." This will accomplish what you want to do.


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Actually, after thinking about it for a bit I decided to go with coherence mode which seems to do this in a bit different way then I wanted it (no desktops etc) but it may serve it's purpose of being able to mix MAC/Windows enough to move windows around easily.


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When I had my MacBook Pro connected to an external TV, I used the magnet trick. Placing a small weak magnet (I used one the size of a coin battery) near the bottom of the right speaker would make contact with the Reed Switch, tricking the MBP into sleep mode, with the lid open, while using the external display only. While this worked fine for the time I had ...


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You could also use a ThirdParty App like https://github.com/Eun/DisableMonitor/


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Use ThirdParty Software such as: https://github.com/Eun/DisableMonitor/


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Are you using the correct display adapter for the Cinema HD? To the best of my knowledge, you'll need the Mini DisplayPort to Dual-Link DVI Adapter: http://store.apple.com/us/product/MB571Z/A/mini-displayport-to-dual-link-dvi-adapter If you're just using the Mini DisplayPort-to-DVI adapter, that would probably explain the symptoms you're seeing.


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Found the answer in this blog post Hide The Menu Bar On Your Secondary Monitor With Mavericks. Uncheck the option "separate Spaces" on Mission Control:


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I think you refer to (as other could suggested): Clamshell mode To execute in Terminal: sudo nvram boot-args="iog=0x0" To undo in Terminal: sudo nvram -d boot-args Restart with the lid closed. After login, open the lid, the screen will be off and this "mode" won't require the adapter. Please be aware of connecting your ...


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I am not a Mac expert. I had a similar problem using the display port. No picture. After a day of assuming it was my Mac, I decided it might be my monitor. I discovered that my monitor was not set to displyport; so, I was getting no picture. If you run out of options, you might try changing yur monitor's "display port" configuration and make the required ...


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You can use keyboard shortcut to get focus on menubar with ⌃ CTRL+F2. This will show menubar also in fullscreen apps. Note: when You use Your F2 key for brightness control, You need to add fn to this shortcut to work properly.


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Setting your screensaver to use your iPhoto library will have it display different images on each display. If My Photo Stream and Photo Library… are not choices listed in the Source list box, you may need to rebuild your thumbnails and/or cache in iPhoto first (start iPhoto while pressing option+cmd).


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All I can really suggest is that you purchase a Mini DisplayPort to VGA Adapter, along with a VGA cable (D-Sub cable), and use that with your MacBook Pro. (the blue socket beneath the DVI socket is the VGA socket.)


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http://www.everymac.com/systems/apple/macbook_pro/specs/macbook-pro-core-i5-2.4-13-late-2013-retina-display-specs.html says "This model supports a simultaneous maximum resolution up to 2560x1600 on two external displays via Thunderbolt. Alternately, it can support a single display up to 2560x1600 via Thunderbolt and a single 1080p display at up to 60 Hz, ...


1

The iPad does not support video output over USB; it's a limitation you cannot work around with a jailbreak. Your only options are composite and VGA video output via supported Lightening adaptors. There are jailbreaks that allow you to output the video 100% of the time though, not just from apps that support mirroring.


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if you felt bold, you could disable all of usb service and then reenable. i believe that will do it. will also kill keyboard etc. kextunload IOUSBFamily.kext; kextload /System/Library/Extensions/IOUSBFamily.kext it will take some more discovery, but i think this might be a good path. let us know if you experiment all usb extensions in 10.8 at least: ...


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As far as I'm aware, you can't run Target Display Mode from Mini DisplayPort to Thunderbolt; only like to like or Thunderbolt to Mini-DP. See http://support.apple.com/kb/PH14264


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I had a similar problem with an iMac from 2009, my second display is connected via a firewire-to-VGA adapter. I tried everything to fix this issues, reseting the nvram worked after a reboot but the next time the monitor 'slept' the problem occured again. When i tried to set the resolution manually my resolution (1920x1080) was not listed, even when holding ...


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It would appear that when using 60Hz 4K and display port MST on my late 2013 MBP, the "MST" feature actually consumes both displayport connectors into a single cable. So when I enable MST, the second displayport connector goes dead. I have not tried the HDMI connector yet.


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It can support 2 external screens over Thunderbolt at 2560x1600 or one 2560x1600 on Thunderbolt & one at 1920x1200 via HDMI (There is a linked report of getting all 3 working, but with overheating issues.) Everymac is a good source of info for this sort of thing. ...


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I use one of these: http://www.amazon.com/dp/B00BUC3M2K/ref=pe_385040_121528360_TE_dp_1 It's not perfect, but it works good enough for me. There is some screen lag, mouse lag, and minor flickering on the display that you connect via USB.


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I have recently run into a similar situation as yours. Both of the proposed solutions below do not use expensive gear like thunderbolt docks or monitors, and can achieve the same (or similar) desired end result. This Thunderbolt-to-Dual-HDMI adapter allows your to connect two 1080p monitors to a single Thunderbolt port, and have both those monitors act ...


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I'm not sure what's the root cause of the issue. However, have you tried adjusting the 'Underscan:' toggle in 'System Preferences' > 'Displays'? This should allow you to zoom in and out of your display. To get rid of the black bars, you want less underscan, so zoom out (move the handle to the left).


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It seems to be a known issue. DisplayLink and Apple are working on it... Source: http://www.displaylink.com/support/ticket.php?id=354


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This won't let you adjust all of the screens but works for alternates ctrl-F1 and ctrl-F2 usually change the brightness on the other display (or external display on 10.7).


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It took a while for a new mini-displayport to DVI adapter to ship, but I have a new one now and no more problems. Apparently these type of converters can cause problems with Macbooks (the entire machine was hanging at times). So if anyone has problems when connecting something through mini-displayport, know that it might just be low quality stuff and your ...


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My knee-jerk thought is insufficient power to supply both monitors (hence why connecting either singularly works without issue). I know the default for those monitors is bus-powered, do they have an option for an external power supply? Or can you try then through a powered USB hub?


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BetterSnapTool also has this feature (as a shortcut). I think it was a free app, and its been a great one. There is a shortcut where you can maximize the window in the next screen (among other shortcuts or ways of doing this). See the screenshot of the related shortcuts.


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The problem is Mac OS X. It is limited (in software, in the drivers) to a certain pixel colour clock rate for the HDMI port. The hardware in the Mac is more than capable of driving your WQHD monitor at 2560 x 1440 etc., but you can't do it via HDMI as the operating system's interface to it is essentially crippled in software. It'll work via the ...


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I had exactly the same issue with MBP Retina 13 and Dell 2408 DVI2mini-display and what helped here was to pull out the dvi-cable completely (as i tried to move away as far as possible from the monitor and then moved closer.) At the end I was 30-40cm away but with straight cable and now WiFi still works.


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This is from Apple's website: OS X Mavericks: Using brightness controls with vintage and obsolete displays OS X Mavericks: Using brightness controls with vintage and obsolete displays Symptoms You may notice when using older Apple displays with Mavericks that you cannot adjust your display's brightness using its built-in controls. Additionally, the ...



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