Water Damaged Keyboard Under Safe Mode

Discussion in 'MacBook Pro' started by nitsua926, Mar 5, 2013.

  1. nitsua926 macrumors newbie

    Joined:
    Mar 5, 2013
    #1
    There was water damage on the keyboard and I tried drying it as much as possible while turning it off, etc etc. Unfortunately it keeps booting in safe mode every time I restart/update because the command/shift/and or option key are being "held down" when this happens. The internal keyboard doesn't function properly because it think any one of those keys are being pressed down. My question is there any way for me to just disable my internal keyboard while keeping my external wireless one connected? Or even to exit safe mode without restarting? I have a mid 2010 15" mb pro and it's all updated.
     
  2. AlphaDogg macrumors 68040

    AlphaDogg

    Joined:
    May 20, 2010
    Location:
    Boulder, CO
    #2
    Disconnect the internal keyboard ribbon cable from inside and short pin 5 to pin 29 to turn on your mac. No keyboard, no problem. Or, you know, don't be cheap and pay for a real repair.
     
  3. justperry macrumors 604

    justperry

    Joined:
    Aug 10, 2007
    Location:
    In the core of a black hole.
    #3
    You can do so without removing that ribbon by removing a .Kext kernel extension from /System/Library/Extensions.

    One of the following, don't ask me which one but it will work:

    AppleHIDKeyboard.kext
    AppleUSBTopCase.kext

    BUT, you need an external bootable disk to do so, for if you mess up, if you can't control the Mac after you Disabled one of these to get into a working System.

    Do so only if you know what you do, disabling one at a time, first move one, then if this does not work put it back and move the other.
    You need root access to do so.
     

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