I've heard that the HD icons are a system based icon, and can only be changed by altering a "resedit" type icon. don't know how else to describe it.<P>Also, only 1 icon is possible. You may be ...

Yes, you can customize your Mac’s hard disk icons in just a few steps in MacOS. Why use Apple’s boring default icons when you can use your own?

How to change your desktop icons on a Mac In macOS, you've got almost complete freedom over what each individual desktop icon looks like.

Mac 911 How to change the icon of a storage device in macOS To tell different volumes and drives apart, you can paste in custom icons.

How To Change the Icon for an EXE File. Changing the icons used by programs on your computer is a great way to customize your business computer and reflect your corporate personality on the desktop.