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モデル番号A1311 / Mid 2011 / 2.5 & 2.7 GHz Core i5もしくは2.8 GHz Core i7プロセッサ

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Hard Drive Issues: Code 8. What does it mean?

Hello to all, I hope you are having a good day.

About a week ago my iMac would not boot up. So I took to the internet to figure out what the problem might be and came across some useful information.

I can boot up to Disk Utility and I see the hard drive and the space it has and everything but once I start running First Aid it tells me this:

Repairing file system.

  • Checking Journaled "***" volume.
  • Checking extents overflow file.
  • Checking catalog file.
  • Invalid key length
  • The Volume "****" could not be verified completely.
  • File system check exit code is 8.
  • Updating boot support partitions for the volume as required .
  • File system verify or repair failed.

Operation failed.

If i run it again, it bugs out and says there is no space on the hard drive. In the Info tab it says it can be Verified and Repaired but i have no idea how.

I have tried /sbin/fsck -fy in single user boot but it says that it cant do anything.

I restored it to the external hard drive I was going to use to back it up but it shows the same thing when i run First Aid.

So my questions are:

  • Is It Fixable?
  • Is there any way I can fix this problem without losing all the data stored on the HD?
  • If not how can I recover all the data before I fix it?
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You’ll need to boot up under an external bootable drive to fix your drive. I would recommend you make a full backup using TimeMachine so you can properly fix your drive. Sadly it will need to be reformatted and a fresh OS install (MacOS & Windows) to fix this as the boot sectors are damaged. Often times I see this with BootCamp installations when a Windows virus attacks the drives boot sectors.

I would strongly recommend you get a good antivirus app that runs under MacOS & Windows as well.

Here’s how to create the needed boot drive: How to create a bootable macOS Sierra installer drive Go to your Apps Store app and open the Purchase tab to locate your OS to re-down load it.

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press command and s after that press button to fix the error fsck and y and it will fix the driver error code.

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I have tried /sbin/fsck -fy in single user boot but it says that it cant do anything

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NamelessChat さん、ありがとうございました!
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