Resolution issue iMac 21.5” late 2013

Discussion in 'iMac' started by nathanyodavis, Dec 18, 2018.

  1. nathanyodavis macrumors newbie

    Joined:
    Dec 18, 2018
    #1
    Hi guys, never done this sort of thing before but I have an issue.

    I own a late 2013 21.5” iMac and recently purchased a monitor to edit my photos (I’m a photographer). The monitor I purchased was a 32” HP Pavilion. When I connected my iMac to the monitor I was only getting 1080p resolution instead of the maximum for the monitor which is 2560x1440.

    After looking into it a bit I realised it was due to my iMac. I tried the monitor with my more up to date 2017 MacBook Pro and it worked a treat.

    However, I’m losing significant RAM by using my MacBook which is effecting my editing.

    My question is, would I be able to upgrade the graphics card in my 2013 iMac and would this mean I’d be able to maximise the resolution with the monitor? How much would this roughly cost or is it worth upgrading my main iMac altogether?

    Thanks.
     
  2. jerwin macrumors 68020

    Joined:
    Jun 13, 2015
    #2
    https://support.apple.com/kb/SP687?locale=en_US

    Perhaps the cable/adaptor doesn't support 1440p.

    It might be a good idea to mention the exact model of the monitor and connection type.
     
  3. nambuccaheadsau macrumors 68000

    nambuccaheadsau

    Joined:
    Oct 19, 2007
    Location:
    Nambucca Heads Australia
    #3
    Had you asked before for a machine of that vintage, a 27" model with an SSD and say the 4GB nVidia GE Force GTX780M graphics card may have been the shot.
     
  4. nickosbad macrumors regular

    Joined:
    Feb 16, 2009
    #4
    I also have a late 2013 iMac and last week connected a 27” monitor with 2560x1440

    At first the iMac output 1080 to the monitor but then I went into the display preferences and set the resolution to “best for this display” and it switched to full res

    I think it was down to the fact that the iMac has to “increase” the resolution whereas the 2017 MBP is already outputting a greater or similar resolution to its own screen
     

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3 December 18, 2018