21" iMac & Dell Dual Screen problems with resolution

Discussion in 'Mac Basics and Help' started by Liambo, Jan 10, 2012.

  1. Liambo macrumors newbie

    Joined:
    Jan 10, 2012
    #1
    I have been running a i7 2011 iMac for a while now and decided i want to dual screen to help with my photo editing and music production.

    After a while searching i decided to buy a Dell Ultrasharp IPS (Model: U2212HM). I have been able to connect it via VGA but was having problems with DVI..

    So after leaving it connected to VGA i decided i wanted to up the resolution to 1920x1080. The manual says insert the CD for instructions on how to.. After googling it and searching for a few hours i still can't figure out how to..

    Anybody have any input?

    Much appreciated,
     
  2. AdrianK macrumors 68020

    Joined:
    Feb 19, 2011
    #2
    Have you tried going to System Preferences > Displays > Choosing 1920*1080 on the window displayed on the Dell monitor?

    EDIT: The monitor has a DisplayPort connector, you can connect it to your iMac via a mini DisplayPort to Display port cable. You'll get better quality than VGA and the cables are pretty inexpensive (compared to adaptors).
     
  3. Liambo thread starter macrumors newbie

    Joined:
    Jan 10, 2012
    #3
    For some reason the past few times i have went into System Preferences > Displays is hasn't came up on the Dell monitor but i just restarted my iMac again and tried it and it came up the second time i tried..

    Thanks for the advice as i knew it would be something simple but it was giving me a sore head not being able to figure it out..

    As for the adapter i will be buying one soon as i didn't know the monitor had one when i bought it.. So i will be buying it soon.
     

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