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  1. #1

    Member Since
    Jul 18, 2009
    Macbook Pro 13"
    External Monitor
    I am having an issue where when I am playing a game, I move my cursor to the left and it goes off my external monitor.

    When I am in mirrored mode, my external monitor's resolution is downgraded to the same as the MBP and I can not change it.

    I was wondering how I can make make my MacBook Pro monitor not be used as a monitor while I have an external monitor plugged in.

    Or if someone has a solution to my problem, it would be great.


  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Fort Worth, Texas
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    You need to operate your MBP in "clamshell" mode. See the following Apple KB article: LINK


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