IO Board or hard disk issue?

Discussion in 'MacBook Pro' started by Thomasba58, Jun 4, 2011.

  1. Thomasba58 macrumors member

    Thomasba58

    Joined:
    May 26, 2010
    Location:
    London, England
    #1
    I have a 15" Macbook Pro 2.2, Intel 2.16 and 3gb Memory. I am currently running OSX 10.6.7.
    When I switch on it all boots up correctly and with the exception of the left arrow key and Firewire (unable to list firewire devices) everything works OK.
    My problem is if I hold down the option key at start up to get to the boot menu, i just get a grey screen and nothing else.
    If I then power off an back on again it boots normally. I can boot to the superdrive or an external drive by selecting it in the startup manager however.
    I have looked everywhere and I can find lots of answers for not being able to boot up, but I can't find any for my specific problem...am I really the only one?

    I can get to single user mode and the option key does work (certainly when I'm logged in anyways)

    looking for any help one and all :confused:
     
  2. Thomasba58 thread starter macrumors member

    Thomasba58

    Joined:
    May 26, 2010
    Location:
    London, England

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