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  1. #1

    Member Since
    Dec 22, 2010
    Second Monitor White Screen
    Hey all,

    I tried doing a search but couldn't find anything that really fit this. I just got a new 20" Acer monitor. It comes with both a DVI and an VGA input cable. I've run secondary monitors on my Macbook Pro (running OSX 10.5.8) before but all they needed was plug and play.

    So with this new monitor, I plugged it into my Macbook Pro but all I get is a white screen on the new monitor. My computer does recognize that a second screen exists but the secondary screen is only white. I've tried both the VGA and the DVI monitor inputs. Any thoughts on this?

    Laptop resolution: 1440x900
    Secondary monitor resolution: 1600x900

    Any thoughts on how I can fix this?


  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    You didn't mention which MBP you have (year, model). Make sure you're using the correct adapter from your MBP to whichever cable being used that goes into the Acer. (DVI or VGA) If you tried both DVI and VGA, that means you have two different adapters, right?

  3. #3

    Buzzard2010's Avatar
    Member Since
    Oct 22, 2010
    Bretforton, Worcestershire
    MacBook Pro 15" 2014, 2.2GHz i7, 16GB RAM, 250GB SSD, OSX 10.9.5 - iPhone 5s 16gb
    Welcome to Mac-Forums

    Have you tried fiddling around with resolution and switching from extended desktop to mirrored?

    - Simon

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    May 2011
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