Apparently most drive issues are caused when the disk is removed without ejecting it properly. To unmount your drive you can right-click (control-click) on the icon on the Desktop or in the Finder and choose Eject. You can search for this from the Launchpad of your Mac. Once the USB drive is recognized, open the Disk Utility at once. Then wait until the operating system recognizes it as a removable drive.
#How to format a thumb drive mac for pc mac
Make sure that your external drive doesn’t become damaged in the future by always unmounting the disk properly after using it. The first step is to connect your USB drive to one of the USB ports of your Mac OS. We have final suggestion to make that is more of a guard against this error happening again. Our recommendations include EaseUS Data Recovery for Mac, £95.99/$89.95 atĮaseus, Stellar Data Recovery for Mac, £43.99/$59.99 at If you have been unable to access the data on the drive then you might want to try one of the options included in our round up of the Click on Erase and wait for your Mac to erase and then reformat the drive.
#How to format a thumb drive mac for pc mac os
Choose your format, probably exFAT if you want to make sure it’s compatible with PC and Mac, otherwise, Mac OS Extended (Journaled) is probably the best option. You can change this if you click on the Formatting options.
(Restore allows you to erase the contents of the drive and replace that with data from somewhere else. First Aid will check the disk for errors and then repair the disk if necessary and this is the option to choose. Your options are First Aid, Erase and Restore.(If there is no volume listed your Mac is not able to access the drive. If your Mac has already mounted the drive the option Unmount will be displayed instead. If it is there click on it and select Mount.
The next step is to try plugging the drive into another Mac.