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external monitor resolution is too low

15154 Views 14 Replies Latest reply: Apr 5, 2014 9:30 PM by mykinz RSS
becassin Level 1 Level 1 (0 points)
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Jan 13, 2013 8:36 AM

Fairly simple problem, but I can't find out where is the issue.

 

I got:

- Macbook pro dual core 2 (mid 2010)

- iiyama prolite pl2409hdsb-1 (24'',native resolution 1920x1080)

- Apple Mini DisplayPort to DVI adapter

 

I thought I would be able to use the native resolution of the screen, but in OS preferencies, the max resolution I can reach is 1600x900 px, pretty horrible!

 

Any thought?

 

Cheers

MacBook Pro (13-inch Mid 2010), Mac OS X (10.6.8)
  • mende1 Level 10 Level 10 (89,470 points)
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    Jan 13, 2013 8:38 AM (in response to becassin)

    As the maximum resolution of the external display is 1920x1080, I suppose that this monitor has got a HDMI port. If it has got a HDMI port, in order to get 1920x1080, you have to use a MiniDisplay Port to HDMI adapter, and connect your Mac to the monitor with the HDMI cable

  • mende1 Level 10 Level 10 (89,470 points)
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    Jan 13, 2013 8:52 AM (in response to becassin)

    There's a difference between 1920x1080 and 1920x1200. 1920x1080 is a HD resolution, and you must use a HDMI cable to use that resolution; however, the DVI port is compatible with 1920x1200 because it's not a HD resolution

  • mende1 Level 10 Level 10 (89,470 points)
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    Jan 13, 2013 8:57 AM (in response to becassin)

    You are welcome

  • mende1 Level 10 Level 10 (89,470 points)
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    Jan 17, 2013 8:58 AM (in response to becassin)

    1080p is a 1920x1080 resolution. Your Mac should support 1920x1080 without any problem, so something happens with your computer

  • Coastyn Level 1 Level 1 (0 points)
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    Jan 25, 2014 8:38 PM (in response to becassin)

    I'm having the same problem, but I dont see the "display monitor settings in top bar".  Nor the number of recent elements.  Can you elaborate a little more as to where I can find this?  My max resolution is only 1280x800 on my Samsung HD TV.  My mac mini displays in 1920x1080 with no problems.

  • joaldias Level 1 Level 1 (0 points)
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    Mar 8, 2014 4:33 PM (in response to becassin)

    I had my mackbook pro connected to 23" display with DVI. After unplugging the monitor cable and connecting it back the resolution went down to 800x600 and another low and crazy one on the macbook pro.

     

    Went to display preferences, option key and clicked on detect monitores and problem solved. Screen resolution back to normal on both monitores.

     

    I'm not using HDMI because it's not stable when connecting to HP Pavilion 23xi. Read on a different post that HP does not support Mac enviroment...

  • SkipWiggins Level 1 Level 1 (0 points)
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    Mar 10, 2014 8:02 AM (in response to Coastyn)

    I was just having the same problem. I'm using a VGA cable with a thunderbolt adaptor. Before today it would detect and display at 1920x1080 which is the native resolution of that monitor. Sometimes it would get it wrong and set the resolution to 800x600. Unplugging and replugging the adaptor would normally set the resolution to native. However today, this was not working.

     

    To get back to native resolution, I had to hold the option key and click the "Scaled" radio button on the secondary display. This shows all of the available resolutions. Then I was able to choose 1920x1080 and get on with my day. I got this solution from here: http://hints.macworld.com/article.php?story=20131030130206132

  • mykinz Level 1 Level 1 (0 points)
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    Apr 5, 2014 9:30 PM (in response to becassin)

    SMC reset worked for me (mid 2007 macbook, OS 10.7)

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