Disk Utility would not open. On my Mac mini upstairs running snow leopard 10.6.4 there was no problem opening Disk Utility. Has anyone else had this problem?

・Open Disk Utility – You’ll find this in the Utilities folder, inside your Apps folder or by searching for it using Spotlight Search. (Press Command+Space to trigger this).

Disk Utility ships with macOS and has been part of the operating system since its first release. Here's how to use it.

With the drive plugged into your Mac, open Disk Utility from the Applications/Utilities folder, select the non-indented disk name containing “Media” in the sidebar, and then click “Erase ...

Using Disk Utility Another method to check your SSD's health involves using the Disk Utility app, although it may not provide detailed SMART status for external drives. Open Disk Utility: ...

Open Disk Utility and you can select the external drive from a list of connected volumes and there is a Disk First Aid option to run a manual check on the disk to identify any issues worth noting.