How to Fix Mac Hard Drive Exit Code 8?

Seeing the “Mac hard drive exit code 8” or “file system check exit code is 8” error? This typically points to a file system issue on your Mac’s internal or external drive. Follow the steps below to resolve it quickly.

A Mac hard drive displaying the error “File system check exit code is 8” indicates a file system issue, which may point to potential damage or corruption on the drive. Although repair might be feasible, it often requires specialized tools beyond the standard Disk Utility. In some cases, a complete reformat may be necessary. But before proceeding with formatting the hard drive, let us try a few fixes.

What is the ‘File System Check Exit Code is 8’ Error?

‘The File system check exit code is 8’ or ‘Mac hard drive exit code 8’ errors occur mainly at the time of the system check and is capable of taking place in both internal and external hard drives.

What Are the Causes Behind Mac Hard Drive Exit Code 8?

This error can be triggered by:

  • Corrupt file system or system files
  • Incompatible or outdated apps
  • Junk files piling up
  • Login items causing conflicts
  • Improper shutdowns or forced quits

And, the list goes on….

How to Resolve Mac Hard Drive Exit Code 8?

Just as there are multiple causes of the “file system check exit code is 8” error, there are several solutions that may be used to fix it. Discussed below are some of the most effective methods you can use to fix it.

Method 1: Reboot Mac in Safe Mode

Many issues on OS X can be solved by a simple reboot, so reboot your Mac machine once. If this doesn’t help you, then reboot the Mac in Safe Mode.

  • Shut down your Mac completely.
  • Power it on while holding the Shift key.

When in Safe Mode:

  • Go to System Preferences > Users & Groups > Login Items

Select all and click the minus (-) to remove them

Items to remove
  • Restart your Mac normally.

If the exit code 8 error is solved after the above troubleshooting, it means that one of your login items is causing the error. So, try loading each startup item and find the culprit.

Method 2: Get Rid of Temp, Cache, and Junk Files

  • Open Finder > Go > Go to Folder
  • Enter the following paths one at a time, and delete unnecessary files:

~/Library/Cachesp

/Library/Caches

~/Library/Logs

  • Empty your Trash.
  • Restart your Mac.

Method 3: Run First Aid

  1. Go to Applications > Utilities > Disk Utility.
  2. Select the corrupted drive and click First Aid on the top menu bar.
  3. Click Done and restart your Mac.

Method 4: Uninstall Faulty Applications

If you are encountering Mac hard drive exit code 8 only when you are using certain app programs, then it indicates the respective program is responsible for the error. To verify this, log in as another user (from another user account) and check; the same error emerges when using the same app.

Either you need to repair or update the app to fix this error. Otherwise, completely uninstall it and reinstall the new version.

To upgrade your Mac system and the apps installed on it to the latest version,

  • Go to the Apple menu and select App Store.
Select App Store
  • Click on the Updates button located on the top pane.
Click on Updates
  • Check available updates for your system and applications.

Method 5: Run Disk Utility

Disk permission issues are often responsible for many error codes, including Mac hard drive exit code 8. So, you can use Mac’s built-in Disk Utility to check and fix the startup disk errors and issues.

And, here is how to run Disk Utility on your Mac:

  • Launch Disk Utility from the Apple Applications and select the “Utilities” folder.
Launch Disk Utility
  • Select your startup disk, and click on the First Aid button.
Select Startup Disk
  • Click the Repair Disk Permissions button to start the repair process.
Repair Disk Permissions

Method 6: Use FSCK Command in Single User Mode

In Single User mode, run the file system consistency check (fsck) command to fix the corrupt file system on the troubled Mac storage drive. Follow the steps mentioned below:

  • Restart your Mac and hold Command + S immediately.
  • At the prompt, type: /sbin/fsck -fy
  • Press Return. If you see “File system was modified,” run the command again.
  • When it says “The volume appears to be OK,” type reboot and hit Return.

Method 7: Re-Install Mac OS X

Ensure your Mac is connected to the Internet, then restart the Mac.

  • Restart your Mac and hold Command + R until you see the Apple logo.
  • Select Reinstall macOS from macOS Utilities.
Reinstall Mac OS
  • Follow the on-screen instructions.

Data Recovery after Mac OS Reinstall:

It is strictly suggested to take a backup of all your important files before you begin the macOS reinstall process.
In case you failed to back up or any error occurs while backing up your files, then huge data loss is guaranteed.

In such cases, you can recover your data after reinstalling macOS using Yodot Mac Data Recovery software.
The software recovers lost data after reinstalling macOS or upgrading macOS, including the latest Sequoia.

Conlcusion

We hope this guide helped you resolve the ‘File system check exit code is 8’ error on your Mac’s internal or external drive. To keep your data safe during all the fixes, we suggest you take a backup beforehand. In case if you had lost any files, halt the process and proceed with data recovery using the Yodot Mac Data Recovery tool for the best recovery results.

Frequently Asked Questions

1: Can I still access my files after seeing exit code 8?

Sometimes, yes. But if the file system is severely damaged, macOS may prevent access. In such cases, use data recovery tools before attempting repairs or reinstallation.

2: Will reformatting the drive resolve the “File system check exit code is 8” error?

Reformatting often resolves the error by creating a new file system, but it erases all data on the drive

3: How do I prevent this error in the future?

– Safely eject drives
– Avoid force shutdowns
– Regularly run Disk Utility’s First Aid
– Clear junk/cache files periodically
– Keep macOS and apps updated