How do you open a USB drive on a Mac?
Why is my USB not showing up on Mac?
Normally when you plug in an external hard drive to your Mac’s USB port you will see it appear on the desktop (aka mount on the desktop). If the drive is not showing up on your Mac chances are it has not been formatted correctly, has been corrupted, or is faulty.
Why is my USB not showing up?
What do you do when your USB drive is not showing up? This can be caused by several different things such as a damaged or deceased USB flash drive, outdated software and drivers, partition issues, wrong file system, and device conflicts.