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1answer
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How much free space does fsck need to rebuild the catalog file?

I am in single-user mode, running fsck -fy. It attempts to rebuild the catalog file and exits with a status of -34, complaining of a disk full error. How much free space does the disk need to have ...
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6k views

Macintosh HD missing after failed catalog btree rebuilding

There is an I/O error in the hard disk in my MacBook Pro running Mountain Lion and as I start it up, a progress bar fills up and then it shuts down on its own. I attempted to recover the files in ...
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0answers
3k views

fsck not working to fix corrupted external drive

I am using an early 2011 MacBook Pro with the Mavericks OS. I've researched a similar issue on an internal drive but As far as I know, being in Single User mode won't help my situation. One of my ...
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0answers
24 views

MacAIR failing to startup from disk

Running 10.9.most recent. As of this evening my Mac will not start up normally from the internal drive. The Apple logo appears and the spinning disc as well, but nothing happens thereafter. I have ...
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35 views

Debugging verbose boot mode

My issue is that a MacBook Pro (mid-2012) started to have problems booting up today so I'm trying to debug the boot process by running it in verbose mode. The problem is I can barely read what it ...
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65 views

Can't boot after Yosemite Update

Here's my setup: Macbook Pro 7,1 Mid--2010 10GB RAM (1 8gb + 1 2gb) 1TB Toshiba HDD OS X Yosemite 10.10.0 installed beside Windows 7 32 Here's my issue: I installed the ...
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1k views

How to “scan disk” or “repair disk” by booting up in single user mode and scan disk?

I think when we are using the Mac, we can't choose "Repair Disk" in Disk Utilty to repair the current hard drive, as the drive is being used. If "Verify Disk" is used, it only takes about 3 to 5 ...