Fix OWC Thunderbay Drives Won't Mount on MacBook Pro M1

I have had an external OWC Thunderbay 4-bay system for years, and it really works great on all of my Intel Macs. But when I connected it to my new Mac, MacBook Pro M1, it refused to mount, and I have no idea why this happened.

Best Answered by

Finley· Answered on May 15, 2024

If you are an external hard drive owner and you found that your OWC Thunderbay drives won't mount on MacBook Pro M1, you can first try fixing it in the following two methods: 

Wipe all data on your external hard drive:

  • Carefully connect your external hard drive to your Mac
  • Go to the Applications folder in the Finder and click "Disk Utility"
  • On the storage media management windows, choose the external hard drive that you want to wipe and click "Erase"
  • Tap on the "Security Options" and move your pointer to the right to DOE 3-pass secure erase position
  • Click "Erase" to erase your external hard drive

Reinstall your macOS:

  • Restart your Mac
  • Hold the Command and R keys when your computer restarts. Release them when you see the Apple logo on your screen
  • Now, choose "Reinstall macOS" in macOS Recovery
  • Select your hard disk in the next window after click9ing "Agree"
  • Click "Install" to reinstall your macOS

What to do when you lose important files when you reinstall your macOS? Use EaseUS Data Recovery Wizard for Mac to help. This software can smoothly and perfectly recover lost files with a few clicks. It can recover data from formatted external hard drives on Mac and regain your precious memory.

Use EaseUS Data Recovery Wizard to recover deleted or lost files easily and quickly.

Tutorials on how to recover lost, deleted, or formatted data from HDD, SSD, USB, SD card, or other storage media on Windows and Mac.

People Also Ask

How to Fix PowerPoint Keeps Crashing on Mac

This post will look at one of the most effective ways to solve PowerPoint keeps crashing on Mac. Follow the instructions and get it fixed.

Finley

May 09, 2024

How to Fix Internet Recovery for Mac Not Working

This post will help you solve Internet recovery for Mac not working when you erase the data and want to reinstall the macOS. Keep reading.

Finley

Apr 16, 2024

How Can I Recover SD Card Data Using Disk Utility on Mac

How to recover SD card data using Disk Utility on your Mac? If your SD card data was lost or deleted, and you don't know what to do, worry not! Read this article to solve your problem!

Brithny

May 20, 2024

How Do I Recover My SD Card on My Macbook?

The first and best approach to Mac SD card recovery is using EaseUS Data Recovery Wizard. Additionally, you can recover the SD card using the Time Machine backup, iCloud backup, macOS Undo feature, and Terminal.

Jaden

Jul 15, 2024

How to Fix Could Not Mount disk2s2

Have you ever encountered could not mount disk2s2? You will find solutions in this post. If you have accidentally formatted your external hard drive without backup, use EaseUS Data Recovery Wizard for Mac to help.

Finley

May 20, 2024

How to Recover Permanently Deleted Files from External Hard Disk for Free?

Want to know how to recover permanently deleted files from an external hard disk for free? The answer in this article will help you find the best way to restore deleted files from the external hard disk. Keep reading to learn more information!

Dany

Jul 24, 2024