New answers tagged multiple-displays
VillageTronic VTBook - this will work!
The Dual Link DVI adaptor is for connecting screens ~30" – not for connect multiple screens. You would need to connect one via the Thunderbolt port and one via the HDMI port.
I've fixed the problem getting a new Mini DisplayPort to VGA Adapter.
Based on your reply, first to check is the cable or connector. Software does not randomly connect or disconnect and because you say it works after you plug-in and un-plug the cable a few times it works... the cable might be broken. If you have a replacement, try it - else you could buy one (and return if it does not solve the problem). Based on your reply ...
I am new to Mac and have experience both these issues, I hopefully can shed some light on the first question, but have not yet found an answer to question 2. To turn off TDM on my late 2013 iMac (connected to a late 2011 macbook pro) I have to type in my iMac password followed by cmd +F2 - its a bit of hit and miss, but it is the only way I can get TDM to ...
According to this page on EveryMac.com the resolutions you want to run should be supported. The problem might be the adaptor. I would try a PRAM reset (restart while holding down Command-Option-P-R), or possibly an SMC reset, detailed in Apple's Support system. If these don't work, I'd try a different adaptor. Good Luck.
There are various threads on discussions.apple.com, but the solution I found on MacRumors I will not repost the solution there, since it's likely to be deleted since it's definitely a bit of a hack. But one that will extend the useful life of your Cinema Display for at least a few more months (if not a year or two): I got the following .kext files ...
As of Mavericks, there is a distinction between active and non-active monitors. You can see which monitor is active by looking at your menubar (I presume you use the new Mavericks spaces behaviour). If you compare them on both screens, one will be faded out and one will be mostly opaque. The one which ismostly opaque is activated and new application windows ...
Just press ⌘ + F1 after connecting the display to your Mac and your screen will mirror. ps. you might have to press fn as well. This depends on how you've set up your F-keys.
Resetting NVRAM / PRAM did the trick for me (having mavericks).
Try unplugging your external monitor from your power source, restart your Mac and when you get back to your desktop and your Mac starts blinking plug in your monitor back in. It's a pain in the * doing it every time but it works for me. -Mavericks 10.9.2 -HP w2228h external monitor -Mini Displayport to HDMI cable
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