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Imac does not detect 2560 x 1440 resolution

I recently got a Benq PD2500Q monitor with a screen resolution of 2560x1440. But in system preferences it only shows 1080p I even pressed the option key on the scaled button.

User uploaded file.

I have an Imac 21" mid 2014 and a Macbook pro mid 2010 and both have the same issue.


How can I get the correct resolution on my display?

Specs: Benq PD2500Q Mac OS X 10.13.4 Connecting with MiniDisplay Port to HDMI

iMac, macOS High Sierra (10.13.3)

Posted on May 25, 2018 5:19 AM

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Imac does not detect 2560 x 1440 resolution

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