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Macbook Pro Constantly Freezing

2830 Views 9 Replies Latest reply: Dec 5, 2012 9:35 AM by mkrauss9 RSS
Jyliew Calculating status...
Currently Being Moderated
Nov 30, 2012 6:33 AM

Hi guys,

 

I hope anyone of you smart computer geeks out there can help me with this issue. My apologies if this issue has already been answered a couple of times but I couldn't find one solution that actually works for me.

 

I own a 13" Macbook Pro from Mid 2009. Here are some details about it:

 

Processor  2.26 GHz Intel Core 2 Duo

Memory  4 GB 1067 MHz DDR3

Graphics  NVIDIA GeForce 9400M 256 MB

Software  OS X 10.8.2 (12C60)

 

It has been quite a while that my Macbook Pro started freezing and constantly showing the beachball icons which lasts forever that forces me to "force shutdown" by holding on the power button.

 

When I power it up again, it takes a while to get into the startup screen; sometimes I couldn't even get into the startup screen after 30 minutes. I leave it shutdown and I turned it on again the next day, it works fine.

 

I check the Console for what causing the constant freezing problems and turns out it is this:

 

Nov 30 22:18:01 Liews-MacBook-Pro kernel[0]: disk0s2: I/O error.

Nov 30 22:18:01 Liews-MacBook-Pro kernel[0]:

Nov 30 22:18:01 --- last message repeated 1 time ---

Nov 30 22:18:01 Liews-MacBook-Pro kernel[0]: disk0s2: I/O error.

Nov 30 22:18:01 Liews-MacBook-Pro kernel[0]:

Nov 30 22:18:31 --- last message repeated 1 time ---

Nov 30 22:25:13 Liews-MacBook-Pro kernel[0]: disk0s2: I/O error.

 

I figured I had a faulty hard disk so I bought a new one, 500GB Western Digital SATA disk, fitted it into my Macbook, and even REFORMATTED IT. But the problem still persists!

 

Then I figured it could be a problem with Mountain Lion OS, so I downgraded it to Lion OS, the problem is still there!

 

What should I do? Please help! I formatted my Macbook Pro countless times but to no success, the freezing and beachball is still occurring.

 

I would be really grateful if anyone can help me with this solution. Please don't tell me to bring my Macbook for service as if I want to do so, I won't be spending my time writing on this forum.

 

Thanks a lot!


MacBook Pro, OS X Mountain Lion (10.8.2)
  • mak9 Calculating status...
    Currently Being Moderated
    Nov 30, 2012 11:00 PM (in response to Jyliew)

    I have the same issue. Same year of Macbook Pro - but mine is a 15''. It is driving me crazy. Let me know if you find a solution. I will do the same.

  • coolpop18 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Dec 1, 2012 12:24 AM (in response to Jyliew)

    Its an I/O error, you are not alone, because I tried this before too, it was painful. You must bring it to Apple and fix it, they cost you $100 to replace a new HDD, if you are still under warranty, it cost you nothing. Your HDD is having errors, its not the data thats affecting it, its the hardware that needs to be replaced.

  • clintonfrombirmingham Level 7 Level 7 (26,655 points)
    Currently Being Moderated
    Dec 1, 2012 1:08 AM (in response to Jyliew)

    Could be a little thing like a bad SATA cable - it could have been damaged when the new hard drive was installed. Get a new one (quite inexpensive - yet quite delicate) and install it and see if you still have i/o problems then.

     

    Clinton

  • clintonfrombirmingham Level 7 Level 7 (26,655 points)
    Currently Being Moderated
    Dec 5, 2012 7:42 AM (in response to Jyliew)

    Ouch! That stings! Well, at least it's working now and it wasn't anything major.

     

    Clinton

  • mkrauss9 Calculating status...
    Currently Being Moderated
    Dec 5, 2012 9:35 AM (in response to Jyliew)

    I guess I have multiple sign in names (mak9, too). I have the cable replaced at apple store. Cost me $18.29. Working perfect again. Thanks.

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