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trouble disk0s2: I/O error

#1 User is offline   chasem56 

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Posted 01 March 2009 - 03:21 PM

When I try to start my macbook it won't go past the gray screen with the apple and the gear. So I pulled up the system files or whatever they're called with command+s and when I boot it from there it keeps cycling back and saying disk0s2: I/O error. What should I do.
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#2 User is offline   Tom_Diola 

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Posted 01 March 2009 - 10:48 PM

Command +s brings you into a single user mode (white letters on a black screen huh?).
Somewhere on the screen it should say /bin/fsck -y or something like that . . .
fsck will try to fix the file system - you might be able to do that and everything will be okay.
http://support.apple.com/kb/TS1417

You can also boot up in Safe Mode
http://support.apple.com/kb/HT1564

You do know that the unix file system is underneath the Macintosh Operating System
(that is what you see when you do the command +s thing...).

But it sounds like your hard drive has failed . . .
no problems right? just go get a new drive and replace the defective one and get all the
data from your backup drive which you do have right?
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#3 User is offline   chasem56 

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Posted 02 March 2009 - 05:02 PM

Thanks for the info, do you know the prompts to save files to external harddrive from single-user mode?





I just used fsck -fy in single user mode and now i can get to the password screen in safe mode but when i type in my password, it wont start finder and goes right back to the same startup password screen.
Message was edited by: chasem56
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