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  1. #1

    Member Since
    Jun 11, 2011
    Question Macbook - boot problems
    Hi there, I'm having some trouble with my macbook not booting. It's 2.16GHZ white model from 2007 running leopard.

    At first I was just getting a grey screen and nothing else, not even the startup sound. After resetting the PRAM i'm getting the flashing '?' folder when I just try to boot normally from the internal hard drive (320GB Hitachi).

    When I boot from CD I can't see the hard drive in startup disk, but I can see the hard drive in disk utility, so I know it isn't completely dead. When I tried to repair the drive in disk utility I got the 'invalid B-Tree node size' error.

    So, I completely erased the hard drive and successfully reinstalled OSX; or so I thought. It went through all the motions of a successful installation, at the end I was prompted to restart the machine as usual, and I did - except the machine wouldn't boot up and came up with the flashing '?' folder again.

    I booted up in 'Apple Hardware Test' mode and did a complete test, no errors were found.

    I am completely stumped, if anyone has any suggestions please post them.


  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    Your hard drive has gone south... (it's defective) and should be replaced. No amount of formatting and reinstalling is going to work. The invalid B-Tree node size error is fatal. As inexpensive as large hard drives are, just replace it.

  3. #3

    Member Since
    Jun 11, 2011
    Thanks for the reply. I'll install a new hard drive and see how it goes.


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