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Realistically most Mavericks-capable systems with built-in displays, other than the early aluminum iMacs and Santa Rosa Core 2 MacBooks, have LED back-lighting which isn't going to noticeably dim with age or be affected by on/off cycling. If you're driving a CRT/plasma/CCFL-LCD monitor then you have option of increasing the lifespan of the display phosphor ...


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Have you looked at PowerDesk for Mac? the description says it can do what you want. There's a DualHead2Go & TripleHead2Go User Guide for Mac. PowerDesk for Mac can be downloaded for 10.6 thru 10.10. See Download info.


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You go to apple menu -> about this mac, and there is a Displays tab with the information.


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Your system supports following resolutions: You can use 4K displays and Ultra HD TVs at the following resolutions and refresh rates via the built-in HDMI port. 3840 x 2160 at 30 Hz refresh rate 4096 x 2160 at 24 Hz refresh rate (mirroring is not supported at this resolution)- MBP 2013 and up. Thus no 60Hz is possible.


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I think of it as the "lawyer's light bulb", or the equivalent of "objects in this mirror may be closer than they appear" [which I actually thought was a joke when I saw it for the first time] Leaving a light bulb on 24/7 will shorten its life, as it won't last as many years compared to if you just used it an hour a day. This is, however, a 'fake' analogy, ...



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