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disk0s2: i/o error

iMac would not boot up past Grey Apple screen on repeated attempts. tried to reboot in safe mode with tracking on and after several lines of boot up code it stopped and I get a reparated disk0s2: I/O error. message.


What does this mean?

Posted on Jan 12, 2013 3:28 PM

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Question marked as Best reply

Posted on Jan 12, 2013 7:24 PM

dean14 wrote:


iMac would not boot up past Grey Apple screen on repeated attempts. tried to reboot in safe mode with tracking on and after several lines of boot up code it stopped and I get a reparated disk0s2: I/O error. message.


What does this mean?

I would suggest you to see the following Apple Support Article:

http://support.apple.com/kb/TS1417


Best!

4 replies
Question marked as Best reply

Jan 12, 2013 7:24 PM in response to dean14

dean14 wrote:


iMac would not boot up past Grey Apple screen on repeated attempts. tried to reboot in safe mode with tracking on and after several lines of boot up code it stopped and I get a reparated disk0s2: I/O error. message.


What does this mean?

I would suggest you to see the following Apple Support Article:

http://support.apple.com/kb/TS1417


Best!

May 10, 2013 6:55 AM in response to dean14

kernel[0]: disk0s2: I/O error.


My iMac starts up slow and often stops working during the day after these errors. I run the Disk Utility frequently and it never finds any errors, but it is only a bandaid. How do I fix the issue ?



My iMac


24-inch, Early 2008


Processor 3.06 GHz Intel Core 2 Duo

Memory 4 GB 800 MHz DDR2 SDRAM

I can not add anymore physical ram


Graphics NVIDIA GeForce 8800 GS 512 MB

Software OS X 10.8.3 (12D78)



kernel[0]: disk0s2: I/O error.

disk0s2: i/o error

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