My book for mac usb 3.0 osx sierra drops connectivity

broken image
broken image

Once connected click on the Apple icon and on ‘About This Mac’Ĭlick on ‘USB’ on the left and on the ‘USB-Serial Controller D’ If you want to verify that the adapter and the driver were installed properly click hereĬonnect the device to the Mac.The easiest way to go about installing our Plugable USB to Serial adapter is by starting with the device.