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Old 10-17-2008, 02:31 PM   #1
salinae
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Join Date: May 2005
Posts: 49
External HD not showing on desktop

My external HD (Western Digital My Book) has suddenly stopped showing on the desktop. I can see it in Disk Utility, and it says it needs a repair. Here's the log:

>>>
Verify and Repair disk “G5 BACKUP”
Checking HFS Plus volume.
Invalid node structure
Invalid B-tree node size
Invalid node structure
Invalid B-tree node size
Volume check failed.

Error: The underlying task reported failure on exit


1 HFS volume checked
1 volume could not be repaired because of an error
>>>

What does this mean?

How can I restore the HD to the desktop?

Many thanks.
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Old 10-17-2008, 04:28 PM   #2
hayne
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Join Date: Jan 2002
Location: Montreal
Posts: 32,459
You have a bigger problem than merely the drive not showing up on the Desktop.
The error messages from Disk Utility indicate that the filesystem on that drive has been corrupted in a way that Apple's "Disk Utility" and its underlying helper tool 'fsck' cannot fix.
There is a possibility that more powerful disk utilities can fix this - e.g. "DiskWarrior". Otherwise, you should backup all your files, erase your disk, and reinstall.
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