Home > Questions

How to fix File system verify or repair failed. :(-69845)?

I received this error when running Disk Utility First Aid: File system verify or repair failed.: (-69845). What does this mean? How do I fix it?

Best Answered by

iBoysoft author Eudora Liu

Eudora Liu

Answered on Wednesday, May 31, 2023

"File system verify or repair failed. :(-69845)" occurs when running First Aid to repair an external disk, such as a Time Machine disk or an EXFAT disk. It likely roots in file system corruption on the drive, which can be caused by sudden power failure, catalog file corruption, invalid volume header, virus attacks, etc.

To fix File system verify or repair failed. :(-69845), there are different solutions for the external and internal hard drives.

For external hard drives:

For internal hard drives:

You can fix the "File system verify or repair failed" error with a handful of tools built into Mac. But certain solutions like reformatting drives will have your data erased. If you don't have any backup, you can use iBoysoft Data Recovery for Mac to recover your data from corrupted drives before you format them.

People Also Ask

Read More Questions

Read More Advice From iBoysoft's Computer Experts

How to clear cookies on Mac

Clear Cookies on Mac in Safari, Chrome, & Firefox (2022)

How to clear cookies on Mac? This guide helps you delete cookies and cache in Safari, Chrome, and Firefox on Mac/MacBook Air/ MacBook Pro.

How to Tips

Duplo clique não funciona no Mac

Problemas com o clique duplo Mac? Tente essas soluções

Guia para corrigir o clique duplo que não funciona no Mac. Resolva o problema de clique duplo que não abre arquivos no Mac Monterey.

alto consumo de CPU de applicationsstorageextension en Mac

¿Problemas de CPU alto con ApplicationsStorageExtension en Mac? Aquí está la solución

Lee para aprender la forma más sencilla de solucionar el alto uso de CPU de ApplicationsStorageExtension en Mac.