Macbook Pro Mid 2010 Will Not Boot Any OS X Media

Discussion in 'MacBook Pro' started by athornh, Jul 13, 2015.

  1. athornh macrumors newbie

    Jul 13, 2015
    I have a Macbook Pro Mid 2010.

    I cannot get OS X to install (Lion or Yosemite) or boot (installing on other mac then transferring the harddrive to the MBP) - harddrive is known and tested as working without any errors.

    I was able to get Ubuntu, Windows 8.1 x64, and Windows 7 x86 to install on a separate hdd.

    Upon installing the other OSes, I discovered that the left shift key is always on. I assume the key is stuck, though it is still "pushable".

    The battery was bad (bulging), so I took it out.

    When booting from the Mac OS X Hdd or OS X DVD, I get this message: "No bootable device -- insert boot disk and press any key"

    If I boot using USB, I can start the boot process, but I will get to about 1/3 of the way through the progress bar under the Apple logo before the screen will go back.

    Would the shift key stop it from booting? Is this indicative of major mainboard damage (i.e. no hope of salvaging)?

    I own:
    Mac Mini 2010
    Macbook Pro Mid 2010
    iMac 2007
    Macbook 2007 (white)
  2. Cuniac macrumors 6502a

    Jan 23, 2013
    Holding shift during start up should put the Mac into Safe Mode, but it should still boot. It does say to release it after you hear the chime but so do all their other boot key methods. I can't imagine it causing an issue to keeping it pressed.

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