MacBook – How to get 2560X1080 resolution on the LG 29UM58-P monitor, connected to the 13″ MacBook Pro

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I have a MacBook Pro (Retina, 13"-inch, Early 2013) with 8Gb RAM and Intel HD Graphics 4000

I also have a 19" Polyview 16:9 monitor connected via Thunderbolt to VGA adaptor, which displays its native resolution of 1440×900.

I recently purchased an LG 29UM58-P ultra wide monitor, which has a native selection of 2560×1080 at 21:9 aspect ratio, connected via my HDMI port. Unfortunately, all windows and text is stretched to fill the screen.

In System Preference –> Display –> Resolution –> I can choose from 1600×900, 1080p, 108i and 720p. I have selected 1080p at 60 Hertz.

I've also downloaded the Onscreen Control app from LG's, but can't seem to access it in System Preferences even after selecting it in Security & Privacy –> the Accessibility panel ??

How can I get my monitor to display its native resolution at the correct aspect ratio without stretching all the windows etc?

Many thanks in advance for your help! 🙂

Best Answer

According to MacTracker, your 13" 2013 MacBook Pro can support:

  • up to 1920 by 1080 pixels on HDMI;
  • up to 2560 by 1600 pixels on Thunderbolt.

So you need to swap the connectors used by each display.

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