How to fix an external hard drive not showing up in Disk Utility?

Here are a few reasons that may cause your external hard drive not to show up in Disk Utility.

Therefore, how to fix the external hard drive not showing up in Disk Utility? Here are some solutions for you to fix it.

After your external hard drive can show up in Disk Utility, and if you have lost any data on your corrupted external hard drive, you can use iBoysoft Data Recovery for Mac to get back your data, which is powerful recovery software for corrupted hard drives and capable of retrieving lost data from external hard drives that First Aid failed to repair.

iBoysoft Data Recovery for Mac can recover disappeared data from external hard drives on Mac, whether the disk is corrupted, formatted, unreadable, or unrecognizable. Here's how:

If macOS can't repair your corrupted external hard drive, the disk is likely physically damaged and you need to send it to a hard drive repair center or replace it with a brand-new one.