Input output error mac os x disk utility

Thank you for this helpful post. Daniel suggests changing the Geometry settings for larger drives. The datasheet says this drive is an Advanced Format drive with 4, byte sectors. His example is for Heads, but does any drive really have that many heads? Mazen suggests using gdisk instead of pdisk for GPT disks, which I would think this would be.

But more people seem to be reporting success with pdisk, then one would expect given how long Intel Macs have been out. Does this matter? This drive may have had some.

How to fix Restore Failure could not restore - Resource Busy error message.

And how do I tell the new partition accidentally put on by Disk Utility from the ones we want to recover? Problem: 3. This post actually made my day. Thanks for this guide.

How to fix deep formatting problems with OS X drives | MacIssues

And no need to use pdisk etc. I went through something similar and was able to fix it by doing the following first thought it was Apple partition map then realized it was EFI GPT. I fixed my problem in a slightly different way though. I just used the following commands:.

Sounds like your old HD is damaged

Excellent post. I was looking for this certain info for a long time. Thank you and good luck. Feel free to visit my blog: birthday party places for kids. I had already tried to do that, but every time I try to do so, I get the annoying spinning bach ball. After I got the new disk, I hooked the damaged disk up to my NAS, and to my deep surprise, it mounted just fine, and the data can be accessed with several limitations.

All the steps I report here or on the Apple site are issued on the damaged disk connected back-to-back to my Mac mini. It looks like Android 4. Hi Perro, I did as you adviced but the result from testdisk is very messy. So I do not know what is next step. Could you please help me. This HDD has all my data. Thank you very much. Hence, this tool is cheaper than its competitor and achieves high on results. Excellent site. A lot of useful info here. And naturally, thanks on your effort!

Then I got this message. VMFS Did you create a new partition table with just 1 table on your disk before attempting this? Like formatting? If you mean, before the breakdown of the hard drive, no. It was working properly, until one day my computer could not find it when I plugged it in.

Hi, thanks for the tutorial! I have but one issue. Thank you. I followed all your instructions, but the only partition I get to work is the new one, which have overwritten the original, so the files are not there. Do you have any idea on how could I get my old partition to be read instead of the one that replaced it?


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If anyone feels that they have this down please let me know. It could be done remotely with jabber screen-sharing. This is my last resort before throwing the HD in the garbage. Please let me know. Thank you for the quick reply!

Backup options in Recovery Mode

Perhaps I am doing it wrong? I am not tech savy, so I can go through the beginning steps with you? If some one needs to be updated with hottest technologies after that he must be go to see this site and be up to date all the time. Problem is, the hard drive is password protected.

So I read later after analyzing:. So just chosing:. The easiest way to launch testdisk is to double click the unix executable in the test disk folder. This has me confused beyond belief! Its in fact remarkable post, I have got much clear idea regarding from this post. You sir a king of kings! One minor clarification. Since it is possible to have 2 or more open terminal windows at the same time, there really is no reason to write anything down. Your way works as well but my penmanship and ability to accurately transcribe are often called into question!

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MacBook Pro Input Output Error : Get Corrupted Deleted Mac Data Recovered

So with 2 windows open, all that you need to do is copy and past. I have never written to thank someone on a website before but I just want to say a very sincere thank you!! This worked and now I will make sure I backup my data more than once ha ha!! There are still decent people out there looking to help!


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  • I am so happy! You are my hero! Do you have any PO Box addres or sth to send a case of beer? Thanks for this. I was so worried but I was able to recover all the files from my external hard drive 1tb with all the filing structure. So if I follow your guide, I do end up with a recovered partition, but disk utility tells me its defective and needs to be erased. What do I need to do? Thanks for the guide and additional help.

    Thanks in advance. One thing I noted that were slightly different than your directions — i was asked to select the partition table type. Came across this blog and you seem like the only one with the right answer. Please Help? Pretty Please? I just wanted to express my sincere gratitude for your awesome tutorial! Is there a way to determine which disk to use?

    Steps To Resolve MacBook Pro Input Output Error

    I guess it was maybe the wrong disk. Then I went into teskdisk again and more options came up than the initial testdisk run. How long does this typically take? Should I continue to let it scan?