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Why does computer continue to start up?

During the start up process the screen seems to continue to load forever. It will not complete. Someone told me my hard drive is bad. I would like to ask if there is any diagnostic process I can enter. The sound is also off and so I can not hear the start up. Hope u can help

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See if you can boot to your operating system disk. If you can goto utilities/disk repair and run repair until it reports no trouble found. Let us know if that helps. Ralph

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Agreed + You can also connect to another Mac via firewire by holding the "T" key down and repair it that way. I would also back up my User files now.


I was able to get into the single user menu but I kept getting the same answers.... I couldn't run a repair because I got the message

when I used "fsck -yf" I got the message


**root file system

**checking HFS Plus voue.

**checking Extents Overflow file.

**checking Catalog file.

disk0s3: I/O error.

Invalid node structure

(4, 487)

**cannot repair voume when it is mounted with write access.

**the volume mac could not be repaired


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