Use Disk Utility program to get the details of the drive on USB Port. Located in Applications / Utilities. This offers general First Aid for the drive. This Disk Utility can also Format a drive & Partition it. Which will ERASE everything!
For reliability.... TEST the drive selecting a One Pass Security Erase which takes a lot longer but thoroughly checks all sectors for bad areas.
Answers & Comments
Use Disk Utility program to get the details of the drive on USB Port.
Located in Applications / Utilities.
This offers general First Aid for the drive.
This Disk Utility can also Format a drive & Partition it. Which will ERASE everything!
For reliability....
TEST the drive selecting a One Pass Security Erase which takes a lot longer but thoroughly checks all sectors for bad areas.
TJ