Boot problem

Discussion in 'iMac' started by DumbMac, Apr 6, 2012.

  1. DumbMac macrumors newbie

    Apr 6, 2012
    I have painted myself into a corner.

    I thought I would try out Ubuntu on my 27 inch iMac.

    I inserted the Ubuntu boot CD, then changed the settings so that it would boot from the CD/DVD.

    Once it reboots, I cant do anything. Ubuntu boots up, but my wireless mouse and keyboard does not work.

    How can I now either eject the CD/DVD or change the boot order so that I can reboot back into OSX?

    Thanks in advance.
  2. simsaladimbamba

    Nov 28, 2010
    Does holding down the OPTION/Alt key right after the startup sound not work? Do you have a USB keyboard, even a Windows one, where the Alt key is the OPTION key?
  3. McGiord macrumors 601


    Oct 5, 2003
    Dark Castle
    Remove the Ubuntu disc.
    Hold down the mouse button while booting to eject it.

    Hold down option key while booting to choose the start up volume.
  4. DumbMac thread starter macrumors newbie

    Apr 6, 2012
    Holding down the mouse button or the Option key on the wireless devices doesn't work because the bluetooth isn't active.

    Plugging in an old windoze USB keyboard did the trick though.

    Thank you for the advice.

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