Ensure that the “External disks” item is checked. Step 2: In the General Tab, you will find listed items. Step 1: On the Finder Preference, go to “Finder” and select “Preference”. However, In case where nothing is displayed or if the USB is not displayed, you should disconnect the drive and insert into another port. Step 3: Select USB (which is on the left panel), after doing this, the information about the USB Flash Drive is expected to be displayed. Step 2: Check if the system is able to detect the USB flash drive. Locate “Applications and select Utilities”, select the “System Information”. Step 1: On inserting your USB Flash Drive, it is expected to show up on your Mac, but if this does not happen, try the following steps. There are several methods that you can follow to provide lasting solutions to fix flash drive not showing up on Mac. Our easy steps which will be outlined below will help get your USB Flash Drive working correctly again. There are several reasons that may lead to external flash drive not showing up on Mac and some of such errors can be caused by any of the following: Outdated drivers, Corrupted USB, A glitch in the motherboard. How to Fix USB Flash Drive Not Showing Up On Mac
