How Do I Get 5120x1440 Resolution on Macbook Pro?

Discussion in 'MacBook Pro' started by MatthewNYC, Aug 9, 2019.

  1. MatthewNYC macrumors newbie

    Aug 9, 2019

    I have a mid 2015 Macbook Pro and I just received the:

    49" CRG9 Dual QHD Curved QLED Gaming Monitor (model number LC49RG90SSNXZA).

    The monitor is working, however, I get the following message on startup:

    The optimal resolution for this monitor is as follows:

    5120 x 1440 60Hz

    Current Resolution: 3840 x 1080

    I went System Preferences / Display / Resolution / Scaled /

    and it set to "More Space" which is the highest resolution.

    This article states that 4k is supported on my laptop but I"m not seeing any way to increase the resolution:

    What do I have to do to be able to use the full 5120 x 1440 on the Samsung monitor using my Macbook Pro?

    Looking forward to your reply.

  2. chabig macrumors 603

    Sep 6, 2002
    Here are the specs for your model:

    I don't think 5120 x 1440 is a supported resolution. You're probably getting the best you can with 3840 x 1080.
  3. Rockadile, Aug 10, 2019
    Last edited: Aug 10, 2019

    Rockadile macrumors 6502

    Jun 11, 2012
    I don't think 2015 MBP can output 5120 x 1440. Specs says up to 4K and it has thunderbolt 2.

    I'd assume you need a thunderbolt 3 Mac that can output up to 5K (5120 × 2880) to get a lower 5120 x 1440 option.

    4K is 3840 x 2160 - 16:9 aspect ratio. Your monitor is 32:9.
  4. Moonjumper macrumors 68000


    Jun 20, 2009
    Lincoln, UK
    I’ve read someone has managed that by connecting 2 cables and get the screen to be treated as 2 2560x1440 monitors that appear as one.

    Another alternative is to see if you can get SwitchResX to do it. It has a 10 day trial period.

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