OS X won't boot up

Discussion in 'Mac Basics and Help' started by ExtraLife, Oct 14, 2008.

  1. ExtraLife macrumors newbie

    Mar 11, 2006
    Orange County, California
    When I try to boot up my iMac (G5, built-in iSight, 1gb ram, 10.5.5.) it stalls at the black screen for about 15-25 seconds then the fan starts up loudly.

    I tried booting from the leopard install disc by holding "c" on the start up. It'll start to sound like the disc is getting read. I get to the gray apple screen with the pin wheel moving but, after about 15 seconds the fans whirls up, the screen becomes a darker shade of grey, and I get the "You need to restart your computer" kernal panic message.

    If anyone knows any possible solutions i'll really appreciate it.
  2. toolbox macrumors 68020


    Oct 6, 2007
    Australia (WA)

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