usb not showing up

n-e-d1 wrote:

usb attached does not show in finder left column??

USB what...?

see Finder>Preferences>Sidebar>

If not, try a different "USB."

Get to know the Finder on your Mac

https://support.apple.com/en-us/HT201732

See and organize your files in the Finder on Mac - Apple ...

https://support.apple.com/guide/mac-help/finder-mchlp2605/mac