Everyday GuideMaterials
Guides
The eight USB problems I see over and over. Search what’s on screen, then open the long version of the list.
8 guides
External Drive Not Showing
Plugged in, but missing from the desktop.
Drive Not Showing in Finder
macOS sees it, but Finder won’t list it.
Drive Missing From Disk Utility
Not listed, even with Show All Devices.
External Drive Won’t Mount
In Disk Utility, but it won’t open.
Mac Not Recognizing USB Drive
No icon, no alert, nothing detected.
USB Drive Not Working or Disconnecting
Connects, then drops or loses power.
Drive Detected but Not Working?
Visible, but files won’t open or copy.
Before You Format the Drive
Erase can help — and deletes everything.
Nothing matched. Try mount, Finder, or format — or clear the search.