Mac won't boot OS X

Discussion in 'Mac Basics and Help' started by montee, Feb 23, 2009.

  1. montee macrumors newbie

    Joined:
    Feb 23, 2009
    #1
    My g-5 wont boot, when I turn it on, the hard drive light comes on, but after a min it sounds like a prop plane trying just before take off. Nothing on the screen. Will not respond to key board.

    Thanks
     
  2. old-wiz macrumors G3

    Joined:
    Mar 26, 2008
    Location:
    West Suburban Boston Ma
  3. joelovesapple macrumors 6502a

    joelovesapple

    Joined:
    Sep 25, 2006
    Location:
    UK
    #3
    I helped somebody with this the other night actually.

    Have you tried going into single user mode, then typing in 'reboot'?

    http://support.apple.com/kb/HT1492

    You SHOULD get it all back, then when you've booted into OS X, go to startup disk and make sure that network startup is not selected.

    After that I'd recommend going into the boot cd and selecting verify disk (the one that 10.5 is installed on). If it is damaged, click repair disk.

    Hope this works. :)

    If not however, it is probably best to contact Apple Support as it could be a hard disk issue, which is not advised to be fixed by anyone other than Apple; especially with 'closed machines' such as an iMac.
     
  4. montee thread starter macrumors newbie

    Joined:
    Feb 23, 2009
    #4
    bootup

    I tried the single user info from the apple site (command + S) and same thing happens, since there is no power going to keyboard how do you open the disk drive to use to boot disk.
     
  5. BlueRevolution macrumors 603

    BlueRevolution

    Joined:
    Jul 26, 2004
    Location:
    Montreal, QC
    #5
    What kind of G5 do you have? Power Mac?

    Do you have another keyboard you can try? Tried another USB port?
     
  6. montee thread starter macrumors newbie

    Joined:
    Feb 23, 2009
    #6
    Dead Usb

    Called a friend a few min ago and he had a similar problem on a laptop, he suggested changing usb and it worked. Now is there a way to get a dead usb back up.

    Thanks for the info.

    Yes, power mac
     

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