Make sure the speed of the hub and the drive are matched. Here are comprehensive instructions on how to reset the PRAM & SMC (opens new window). It can be solved by reset parameters of the port. If the flash drive can be recognized, problems might come from one of the USB ports. If your USB drive is not listed here, plug it out and reset the USB ports on Mac. To check Mac computer detects the USB, go to 'Applications'> 'Utilities' > 'System information', click 'USB' on the left-side taskbar and view the detail information. Check If the Flash Drive Detected by macOS Third, go to 'Sidebar”>' Devices' and tick the 'External disks' again. Second, go to 'General', tick 'External disks'. If you drag the flash drive to somewhere else accidentally, just make it show up in Finder again.įirst, at the top of your screen, drag down the menu and go to 'Finder'> 'Preferences'. When your files are saved, restore the USB flash drive.

If it shows up, click scan and recover the data inside. Launch the program and see if the removable drives show up on FonePaw Data Recovery. Now, you need a data recovery software like FonePaw Data Recovery (opens new window). When the USB drive is not recognized by the computer, it is possible that the file system of the USB is damaged. Open the USB Drive with FonePaw Data Recovery You can look up for the solutions according to the cause of your problem. To make flash drive show up on Mac again, we have collected seven useful methods.

The USB drive is corrupted cannot be detected by Mac.

You plug out the USB drive that was connected to the Mac last time incorrectly, which would cause the identification problem of the drive. When you plug your flash drive into the computer, you accidentally dragged it to somewhere else.

The USB drive is dragged to other places.

There are five main reasons why the USB drive is not showing up on Mac: Read on this post and find out why Mac does not recognize the USB and how to open USB on Mac. You are sure your drive is fine but it cannot be detected by the Mac computer. You may scratch your head about the flash drive that cannot show up on Mac.

My pendrive is not showing