2then you check that have installed the usb drivers software in your mac 3if not you install those drivers in your mac 4or you try to upgrade your present usb drivers so you can fix if there is any problem in the drivers 5if that is not our problem then your problem as follow 6you also check the power connection of your usb slot. Kingston usb driver mac. Usb flash drives memory cards readers embedded / industrial ' or 'err_could_not_start' when you attempt to log into the drive we recommend that you update your kingston secure usb drive by downloading and installing one of the updates provided in links below it will work with mac os 1011 and other previously supported operating.
kingston usb driver mac