How to fix couldn’t unmount disk on macbook pro

Hello,

In most cases, the "Couldn’t Unmount Disk" shows up when users are trying to format or repair their disk with the help of Disk Utility feature. As evident, the inability to use it may lead to all sorts of problems, such as making partitions or loss of personal data.

In most cases, the reason for the "Couldn’t Unmount Disk" error is corrupted or modified boot drive, although in some cases it can be malware or the usage of the drive of another application.

Nevertheless, you can fix "Couldn’t Unmount Disk" with the help of instructions provided in our article here. Please follow each step carefully and in the correct order.

Good luck,

Ugetfix team