Can a mid2011 iMac drive a 4K monitor?

  walker1285 17:39 08 Mar 2015
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I just got a Samsung 4K monitor and I'm trying to pair it with a mid2011 iMac running Yosemite and i can't figure out how to get the Mac to deliver a 3840X2160 resolution to the monitor. Can it be done or shall I just give up and return the monitor?

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