My left shift key is stuck down (wiring-wise, not just mechanically stuck) - fine, I changed my password to be all caps and once I'm logged in I use Karabiner and Seil to disable the key, and because my left pinky muscle memory still thinks there's a shift key over there, I've got a plastic lever that depresses my left control key when I go for the shift key and have that remapped to shift.

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Yesterday I had to upgrade from OS X 10.9 to install Xcode without a developer account. But I wasn't paying attention - now there's an even new operating system, OS X 10.11, which I accidentally installed instead!

I'd ideally like to do a clean install of OS X 10.10, or at least a clean installation of OSX 10.11 instead of the migrated one I have now. How install either of these with a stuck shift key?

  • I can't use any startup key combinations besides safe mode, and normal mode by holding another key during startup
  • The system preferences "Startup Disk" panel doesn't show a recovery partition, netboot, or a bootable USB stick that I made with createinstallmedia (though I believe the recovery partition exists)

Similar question from 2011: Ideas for reinstalling Mac OS X on a 2009 Macbook Pro whose shift key is constantly stuck down?

  • 1
    Replace your keyboard. Oct 23 '15 at 16:04
  • If you turn on caps lock, the behavior of the shift key is inverted. Perhaps that will help Oct 23 '15 at 17:16

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