External monitor help

Discussion in 'Mac Accessories' started by hypertc13, Jan 21, 2017.

  1. hypertc13 macrumors regular

    Jun 17, 2009
    So I have been looking at getting an external monitor recently as I can work from home 2 days a week. I borrowed my brothers external monitor to see if that size would work for me. He has a 25" HP monitor thats 1080p. I have a mid 2011 MacBook air that I hooked up to it using mini display port to HDMI. I have to say it looked like garbage. It was very pixelated which I thought a 25" with 1080p would be fine. I don't know if it was some settings or what. Any help would be appreciated
  2. Fishrrman macrumors G5


    Feb 20, 2009
    Some folks (those with perfect vision or "younger eyes") see the same when viewing a 27" display @ 1080p

    Others (like myself) with "older eyes" have no complaints at all.

    Something to check:
    Open the "displays" pref pane

    Do you see an option for "underscan"?
    If so, the MacBook is "seeing" the display "as a tv screen", and NOT "as a computer display".
    Seems a common problem with the Mac OS as of late.

    IF you see an "underscan" option, try moving it all the way to off.
    Does this change anything?

    Again, if you're younger, it may be the size of the display/resolution.
  3. 1080p macrumors 68030


    Mar 17, 2010
    Planet Earth
    Thanks for the mention. I appreciate it.
  4. MrX8503 macrumors 68020

    Sep 19, 2010
    If you're getting 1080p, you want to stick with ~20" screen size. If you want a 27" screen, get a 1440p monitor. That's the standard screen size to resolution ratio.

    4K is a bit more complicated and I don't think your Air can drive it.

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