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  1. #1


    Member Since
    Nov 09, 2007
    Posts
    3
    External Monitor Crops Display?
    Hey Mac Forums,

    So here's the deal: When my macbook is hooked up to an external display (I've tried an HDTV and a Projector thus far) it has a nasty habit of cropping the observable video. Typically, this isn't too large a problem, but when I'm watching something subtitled, I'll get cases where I can't read the first or last words of a line, which is annoying.

    To further illustrate... maximizing a window on the ext. display will put all of my window controls out of observable range... So is there any way to fix this? I'd greatly appreciate any info.

  2. #2

    sanity1082's Avatar
    Member Since
    Jun 17, 2007
    Posts
    882
    Specs:
    macbook/iphone/ipod nano/ipod shuffle
    are you using vga or dvi for a connection?

    is your macbook open or closed when it is cropping the picture?

  3. #3


    Member Since
    Nov 09, 2007
    Posts
    3
    I have two Mini-DVI adaptors. One converts to DVI and the other, to composite and s-video. The problem remains the same with both. One thing I have yet to try is hooking up to a dedicated computer monitor, but I'd prefer if this could somehow be fixed to work with what equipment I have.

    And The macbook is open when the cropping occurs. Is there a way to clamshell the thing without putting it to sleep?

  4. #4

    sanity1082's Avatar
    Member Since
    Jun 17, 2007
    Posts
    882
    Specs:
    macbook/iphone/ipod nano/ipod shuffle
    You can close your macbook and then wake it from sleep with the lid closed. To wake it with the lid closed you need a usb mouse and key board so you can navigate the screen. Any action on the keyboard or mouse will wake the computer.

  5. #5

    Aptmunich's Avatar
    Member Since
    Mar 09, 2004
    Location
    Munich
    Posts
    9,073
    Specs:
    Aluminium Macbook 2.4 Ghz 4GB RAM, SSD 24" Samsung Display, iPhone 4, iPad 2
    Are you mirroring or spanning your display?

    You can use it closed by hooking up a power supply, external keyboard, monitor and mouse, then close it and press a key or mouse button to wake it up again.

  6. #6


    Member Since
    Nov 09, 2007
    Posts
    3
    Good to know, I'll keep the closed book stuff in mind for the future.

    Anyways, I found the problem... evidently a condition called 'overscan' was the cause of my woes. I opened up display options and found an option that, when toggled, compensated for the problem.

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