Home > Questions

How to Fix File System Check Exit Code Is 8?

The file system check exit code is 8. What is this? I can't verify my boot SSD drive. Is my SSD drive going bad? Any help?

Best Answered by

iBoysoft author Sherry Song

Sherry Song

Answered on Monday, February 19, 2024

Hi, sorry about your experience, it seems that there is something wrong with your boot SSD when this error code happened. So the first step you should follow is to recover and back up all the data with the drive if you have important files in it. You are suggested to utilize iBoysoft Data Recovery for Mac, a powerful tool, recovers lost data from your drives effectively.

  1. Recover data with iBoysoft Data Recovery for Mac. Turn on your Mac and immediately press Command, Option, Shift, and R. Choose Utilities > Terminal > Type sh <(curl http://boot.iboysoft.com/boot.sh). After launching iBoysoft Data Recovery for Mac, select your boot SSD drive on the left menu, then click Search for Lost Data. After scanning, preview the results and choose your wanted ones, select Recover to save them to another place.
  2. Restart your Mac.
  3. Run the First Aid in Recovery Mode. Turn on your Mac and immediately press Command, Option, Shift, and R. Choose Utilities > Disk Utility > Continue > Select your boot SSD drive > First Aid > Done.
  4. Use the FSCK in Single User Mode. Shut down then press Command and S when seeing the Apple logo, type fsck -fy, then type reboot when seeing The volume (name) appears to be OK. Finally, boot Mac back into OS.
  5. Format the drive.  In Recovery Mode, Choose Utilities > Disk Utility > Continue > Select your boot SSD drive > Erase.
  6. Reinstall macOS.  In Recovery Mode, Choose Utilities > Reinstall macOS > Follow the instructions.

Be careful about your boot SSD data, remember to recover and backup it with iBoysoft Data Recovery for Mac. Good luck.

Also read: Fix File System Check Exit Code Is 8 on Mac.

People Also Ask

Read More Questions

Read More Advice From iBoysoft's Computer Experts

Mac running slow after update

Mac Runs Slowly After Update? Here Are the Fixes!

This post talks about the issue Mac is running slow after update. And there are some proven methods to fix the problem and speed up your Mac.

News Tips

7 Signes indiquant un endommagement ou une défaillance de la carte logique du Mac

7 Signes Indiquent une Carte Mère Mac Endommagée ou Défectueuse

Parfois, votre machine Mac se comporte de manière anormale et inappropriée alors que vous êtes perplexe quant à ce qui se passe. Ne vous inquiétez pas, cet article va résoudre votre problème en offrant des raisons et des solutions

Corriger la consommation élevée de CPU et de RAM par iconservicesagent sur Mac

Qu'est-ce que Iconservicesagent sur Mac? Résoudre le problème de CPU et de RAM élevée

Iconservicestagent utilise une énorme quantité de RAM et de CPU sur votre Mac? Résolvez-le avec les solutions de ce guide. Vous pouvez également en apprendre plus sur Iconservicestagent.