TS3243 My Desktop Mac won't startup, it turns on to the grey screen flashing question file. I have been able to startup from the snow leopard install cd but once I try to repair within DU the disk never appears in the side panel. The only thing there is "

My Desktop Mac won't startup, it turns on to the grey screen flashing question file. I have been able to startup from the snow leopard install cd but once I try to repair within DU the disk never appears in the side panel. The only thing there is "Media"... What can I do? Help!

If Disk Utility cannot see your drive it doesn't look good.
You could try DiskWarrior. It is expensive but can often fix directory structures where DU cannot.
Replacing the drive is also a strong likelihood. If you don't have a fairly recent backup, then it might be worth buying DiskWarrior
additonal notes;
Gray screen appears during startup

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    line 1: /dev/disk0: Permission denied
    /Volumes/Cruzer/Terminal Saved Output: line 3: 0:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 4: 1:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 5: 2:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 6: 3:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 7: /dev/disk1: Permission denied
    /Volumes/Cruzer/Terminal Saved Output: line 9: 0:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 10: 1:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 11: 2:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 12: /dev/disk2: Permission denied
    /Volumes/Cruzer/Terminal Saved Output: line 14: 0:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 15: Logical: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 16: 5843C88A-1AEE-455B-AA12-1B9017FBE610: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 20: 0:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 21: /dev/disk4: No such file or directory
    /Volumes/Cruzer/Terminal Saved Output: line 23: 0:: command not found
    /Volumes/Cruzer/Terminal Saved Output: line 24: /dev/disk5: No such file or directory
    /Volumes/Cruzer/Terminal Saved Output: line 26: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 29: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 32: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 35: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 38: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 41: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 44: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 47: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 50: 0:: command not found
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    /Volumes/Cruzer/Terminal Saved Output: line 53: 0:: command not found
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    <Re-Titled By Host>

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