tlaci60
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Q: Mac Mini HDMI output gives bad resolution on external 1920x1200 external monitor

A brand new Mac Mini gives blurry picture with HDMI  HDMI connection to an external 1920x1200 HDMI monitor.

very bad start

Mac mini, Mac OS X (10.6.7)

Posted on Apr 30, 2011 2:10 AM

by SuperAwesomeJoe,Solvedanswer
SuperAwesomeJoe SuperAwesomeJoe
Level 1 (10 points)
A:

Just an update. Using the supplied HDMI to DVI seems to have fixed the problems. Haven't had a problem at start up or after waking the computer up from sleeping.

Posted on Aug 18, 2011 1:18 PM

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tlaci60

Q: Mac Mini HDMI output gives bad resolution on external 1920x1200 external monitor

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  • by treffibug,

    treffibug treffibug Oct 31, 2013 11:01 PM in response to tlaci60
    Level 1 (0 points)
    Oct 31, 2013 11:01 PM in response to tlaci60

    This is a solution for one HDMI cable connecting a Mac Mini Intel Core i7 to a Samsung television: 1920 x 1080 (ie 1080p or 1080i).

     

    As I discovered:

    • Mac mini HDMI output → DVI convertor → TV DVI input

    works fine, but

    • Mac mini HDMI output → TV HDMI input

    produces a badly pixilated output and the vertical resolution was wrong with the top & bottom chopped off screen.

     

    Using the Samsung TV remote, I pressed the TV menu button, selected picture settings and scrolled down to Screen Adjustment. I selected the "selected screen size" option which fixed the resolution problem: all the screen was viewable and the pixels were in the right place.

     

    Still, the pixels looked wrong: for example, black text was "etched" and surrounded by a bright outline.

     

    From picture settings, I selected the sharpness and reduced it to zero. Before my eyes, the image returned to the HDMI → DVI clarity I had enjoyed earlier.

     

    Hope this works for you too (it took me 6 months to solve it!).

  • by steveintraining,

    steveintraining steveintraining Nov 28, 2013 11:20 PM in response to tlaci60
    Level 1 (0 points)
    Nov 28, 2013 11:20 PM in response to tlaci60

    I've got an HP 2311x as well on a mini mac.  HDMI to HDMI was slightly fuzzy.  All you need to do as said before is turn the overscan off on the monitor by going into the menu on the monitor.

     

    Menu - Image Control - Custom Scaling - Overscan - Off

     

    If still a bit fuzzy then then maybe like me you had tried adjusting the Display on the System Settings on the Mac menu.  So go back into this and make sure you have selected Best For Display and turned off the Overscan.

     

    System Settings - Best For Display - Underscan Off

     

    Wonderful new screen!

     

    Thanks everyone

  • by steveintraining,

    steveintraining steveintraining Nov 28, 2013 11:24 PM in response to Art
    Level 1 (0 points)
    Nov 28, 2013 11:24 PM in response to Art

    Thanks Art that did the trick - nice and simple!

  • by TrancyFrancy,

    TrancyFrancy TrancyFrancy Dec 3, 2014 2:27 PM in response to treffibug
    Level 1 (4 points)
    Audio
    Dec 3, 2014 2:27 PM in response to treffibug

    Thanks man! (Treffibug)

     

    Turning down the Sharpness setting of my Philips 8404 46 inch tv  to zero made the crappy text go normal! It changed before my eyes just as you said! It made me search for two days. You made me find it! Many, many thanks.

     

    What stays is the whole screen going pink every ones in a while?

     

    TF

  • by screwedover69,

    screwedover69 screwedover69 Oct 14, 2015 10:40 AM in response to TrancyFrancy
    Level 1 (0 points)
    Oct 14, 2015 10:40 AM in response to TrancyFrancy

    Mac mini 2011 i5

     

    I found in my case that both my dell displays made in 2010 give the same problem as the earlier posts.

    But either of my two 2012 models worked perfectly on HDMI to HDMI as well as Mini Displayport to HDMI.

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