Mac Pro early 2008 Keep rebooting !?!

Discussion in 'Mac Pro' started by Data-Base, Jan 25, 2010.

  1. Data-Base macrumors member


    Apr 5, 2009

    I have a mac pro early 2008 with RAID card!

    I noticed that I started to have issue with the system after the last security update

    when it sleeps sometimes it never comes back!

    so I have to hard restart the mac.

    now it keep reboot, it shows me the gray screen then as soon as the apple logo appear it restarts

    I did what was in this page
    but nothing helped

    I face the same thing if I try to boot from a CD or a USB (with OSX on it)

    I can not start any thing from any device, it just keep rebooting

    any help?

    I also posted my question at

    Thank you
  2. milk242 macrumors 6502a

    Jun 28, 2007
    I would suggest removing your raid card (if possible) and see if the problem persists. It's just to start eliminating causes of this rebooting problem.

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