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  1. #1
    New logic board = faulty DVI port???
    Hey guys,

    This is my first post so sorry if I don't really follow protocol.

    I bought this laptop mid-2007 (Macbook Pro 2.4Ghz Core 2 Duo), and replaced the logic board (due to kernel panic) to the 2008 model's logic board (2.5 Ghz Core 2 Duo with 512MB nVidia instead of the 256 MB)

    The computer runs flawlessy...except for the fact that since I got it back, I plugged in the external monitor one time (via Apple's DVI (not Mini) to VGA converter) and ever since then the computer believes that it is always plugged into a display; it will do mirror displays and even let me access an imaginary second screen where I can make my mouse disappear for a while.

    Not a big problem for expose since I've placed the second imaginary screen where I don't use any expose:

    I've formatted the hard drive, re-installed Snow Leopard

    I've tried resetting PRAM, SMC, violently unplugging/replugging an actual DVI cable as well as the DVI to VGA adapter (while connected to a display)

    I cannot seem to make the "Arrangement" tab disappear in Display options.

    Please help if any one of you has experienced something remotely similar...

    Thank you very much

  2. #2
    New logic board = faulty DVI port???
    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Texas, where else?
    Your Mac's Specs
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    See that white bar at the top of one of them? Drag it to the other one and see what happens.

    Have you ever installed iDisplay? Use their uninstall script - link.

    Try using the Detect displays button - maybe do it a couple of times - see that will help it recognize nothing is attached.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

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