jevzor

Q: How to display 2560x1080 on external monitor from MBP or MBA?

Is there any way to make MBP 17 (Intel HD and nVidia GT graphics, SnowLeo) or MBA 13 (Mountain Lion) display 2560x1080 on external monitor (LG 29" ultrawide)? My MacPro with RadeonX1900 card (10.5.8) does it perfectly but I cannot find a way to get the laptops to do it. Tried res. switching apps, still no good. Thanks.

MacBook Pro, Mac OS X (10.6.8)

Posted on Jan 4, 2013 11:38 PM

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Q: How to display 2560x1080 on external monitor from MBP or MBA?

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  • by Brent-Shocky111,

    Brent-Shocky111 Brent-Shocky111 Dec 21, 2015 2:51 AM in response to yuecang555555
    Level 1 (0 points)
    Dec 21, 2015 2:51 AM in response to yuecang555555

    Never even thought of going to TonyMAC. Just picked up 2 new LG Ultrawide monitors and was afraid they were going back....your post saved the day. Can these settings be tweaked to improve font clarity?

  • by 2Good4U,

    2Good4U 2Good4U Dec 25, 2015 3:27 AM in response to jevzor
    Level 1 (0 points)
    Dec 25, 2015 3:27 AM in response to jevzor

    Hey guys, Im in desperate need of help!!

    So I have just got a LG 25" UltraWide Monitor 25UM57 & I cant get it to work on full 2560x1080 resolution. I have tried stuff that you guys have said previously & nothing has worked. Have played around with the settings on SwitchResX & it wont work. I managed to add the 2560x1080 setting that a previous poster gave but when I click it one added in custom settings my monitor goes black then says "Out of Range"???

  • by emeryshores,

    emeryshores emeryshores Dec 25, 2015 5:24 AM in response to 2Good4U
    Level 1 (0 points)
    Dec 25, 2015 5:24 AM in response to 2Good4U

    Out of Range means there's incompatibility between the signal coming from the graphics card to the monitor.

     

    Did you enter the values for the custom SwitchResX exactly as they're listed in this image?: https://i.imgur.com/Daydyeu.jpg

     

    What kind of cable are you using to connect the macbook to the monitor?

  • by 2Good4U,

    2Good4U 2Good4U Dec 25, 2015 6:50 AM in response to emeryshores
    Level 1 (0 points)
    Dec 25, 2015 6:50 AM in response to emeryshores

    Yes I did, doesnt work.

     

    Im using a Mini Display port to HDMI cable. I have a 2012 Macbook Pro.

  • by 2Good4U,

    2Good4U 2Good4U Dec 25, 2015 7:01 AM in response to 2Good4U
    Level 1 (0 points)
    Dec 25, 2015 7:01 AM in response to 2Good4U

    LOL omg wow!! I put the settings in again, restarted my macbook & its now working perfectly!!

     

    I cant believe it. I think I had something wrong before, so thankyou very much for your help

  • by Maucir,

    Maucir Maucir Jan 8, 2016 8:52 PM in response to jevzor
    Level 1 (4 points)
    Jan 8, 2016 8:52 PM in response to jevzor

    Just spoke to Apple and - sadly - the problem for me is that the Macbook Air doesn't support the resolution of the monitor

     

     

    Supported resolutions by MacBook Air early 2015:

    1440 by 900 (native), 1280 by 800, 1152 by 720, and 1024 by 640 pixels at 16:10 aspect ratio and 1024 by 768 and 800 by 600 pixels at 4:3 aspect ratio

  • by migueltomas,

    migueltomas migueltomas Jan 12, 2016 3:19 PM in response to Maucir
    Level 1 (0 points)
    Jan 12, 2016 3:19 PM in response to Maucir

    Hey guys,

     

     

    I have a LG 25UM65 and MacBook Air 2013.

     

    I hope thats not a silly question. If i'm using SwitchResX and put my resolution on 2560x1440 how bad can do on my mac? :/

  • by Maucir,

    Maucir Maucir Jan 12, 2016 5:54 PM in response to emeryshores
    Level 1 (4 points)
    Jan 12, 2016 5:54 PM in response to emeryshores

    Hi Emery,

     

    I'm also trying to set up my LG 25UM57 with my MacBook Air 2015 by using SwitchResX and I tried to use the configurations you sent across, however, after editing a few things in the settings the SwitchResX stops allowing me to edit the number (I guess it has presets), so I cannot use the same settings you shared with us.

     

    I guess your monitor is different to mine, isn't it?

  • by Steakboy,

    Steakboy Steakboy Jan 13, 2016 9:30 PM in response to emeryshores
    Level 1 (0 points)
    Jan 13, 2016 9:30 PM in response to emeryshores

    Thanks for all the suggestions in the thread. I just bought an LG 29UM57 to use as a second monitor for my MBP (2012) and I was starting to be convinced there was no fix. The jpeg linked from Emeryshores post seems to be working well for me now although I'm currently still running Yosemite and not El Capitan so we'll see what happens when I eventually get around to updating to it. Thanks again.

  • by Maucir,

    Maucir Maucir Jan 13, 2016 9:35 PM in response to Steakboy
    Level 1 (4 points)
    Jan 13, 2016 9:35 PM in response to Steakboy

    I Found a solution to my problem, maybe it's the same one for yours:

     

    https://youtu.be/k2MdxzAC4cA

  • by diogosgp,

    diogosgp diogosgp Apr 16, 2016 2:41 AM in response to 2Good4U
    Level 1 (4 points)
    Apr 16, 2016 2:41 AM in response to 2Good4U

    Lol. This particular answer helped me solve the same problem. Unbelievable.

  • by Yuanpei,

    Yuanpei Yuanpei May 11, 2016 1:05 PM in response to jan philip
    Level 1 (8 points)
    Mac OS X
    May 11, 2016 1:05 PM in response to jan philip

    Did you find a solution to your problem? I have the exact same problem.

  • by diogosgp,

    diogosgp diogosgp May 11, 2016 4:21 PM in response to Yuanpei
    Level 1 (4 points)
    May 11, 2016 4:21 PM in response to Yuanpei

    Check 2Good4U answer. That helped me.

  • by Yuanpei,

    Yuanpei Yuanpei May 12, 2016 2:31 AM in response to diogosgp
    Level 1 (8 points)
    Mac OS X
    May 12, 2016 2:31 AM in response to diogosgp

    It doesn't work me. My problem is that my monitor worked fine for 2 months, then one morning it decided to revert to 1080p and not 1440. How was it possible it worked fine, and then one morning just stop working? Is the problem with my monitor or laptop?

     

    It displays at 1080p, but if I try and change it to 2560 x 1440 (see image), the image is shrunk. Other resolutions work fine.IMG_5217.JPG

  • by hmartin2141,

    hmartin2141 hmartin2141 Jul 3, 2016 10:52 AM in response to genriquediaz
    Level 1 (4 points)
    Jul 3, 2016 10:52 AM in response to genriquediaz

    Thank you!  This helped me get my LG 29UC97C-B working on my Mac Pro with Dual-Link DVI-I connectors connected to the HDMI ports on the LG monitors via an adapter.  However, I had to also use the patch referred to by Icepeek.  Both steps were necessary to get the monitors working perfectly.

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