MacMost Q&A Forum • View All Forum Questions • Ask a Question

Why Does My Disk Utility Show Two Hard Disks?

When I open Disk Utility it shows two hard disks? I am using Catalina and have an external hard disk for back up.
—–
Shirley

Comments: One Response to “Why Does My Disk Utility Show Two Hard Disks?”

    Gary Rosenzweig
    1 month ago

    That’s right. Catalina introduced the read-only System volume. This is a huge security improvement. Apple has a page on it here: https://support.apple.com/en-us/HT210650

Related Video Tutorials: Technical Terms: Hard Disk Drive and SSD ― Understanding FileVault ― Create a Button On Your Mac or iPhone To Make a Call With One Tap Or Click

Leave a New Comment Related to "Why Does My Disk Utility Show Two Hard Disks?"

:
:
:
0/500 (500 character limit -- please state your comment succinctly and do not try to get around this limit by posting two comments)