MBP won't boot with Firewire 800 drives connected

Discussion in 'MacBook Pro' started by Cattywampus_, Mar 18, 2008.

  1. Cattywampus_ macrumors 6502

    Joined:
    Apr 19, 2006
    #1
    Hi,

    I bought a new Macbook Pro 2.4GHz couple of weeks ago. Before this I had a RevA MBP (CoreDuo) with a Siig Firewire 800 ExpressCard34. I didn't have this problem on that setup.

    Now using the built-in FW800 port on the MBP, when the drives are connected, the computer won't boot. It just hangs on the grey screen with Apple logo.

    When I try and boot with the drives connected it boots fine. When the computer has booted I can plug the drives in and they work fine.

    Is there a work around for this?
     
  2. squeeks macrumors 68040

    squeeks

    Joined:
    Jun 19, 2007
    Location:
    Florida
    #2
    reset the pram (google: resetting PRAM) to make sure it is set to boot from the internal drive by default
     
  3. e12a macrumors 68000

    e12a

    Joined:
    Oct 28, 2006
    #3
    what is on your external drive? Is it a bootable image or hard drive?
     
  4. Cattywampus_ thread starter macrumors 6502

    Joined:
    Apr 19, 2006
    #4
    No, no bootable images. There is just data on there.

    I tried holding the options key when booting, it allowed me to select the boot volume but then just hung after reading the external drives.
     

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