https://devzone.nordicsemi.com/f/nordic-q-a/36736/usbd-msdWhen using the USB for logging date, I am able to see my file by simply plugging a USB connector; I can also view the contents of the file by double clicking on it. In such cases, when I unplug the USB connector, everything works as it should. Howeveren-USTelligent Community 13Thu, 26 Jul 2018 12:31:21 GMThttps://devzone.nordicsemi.com/thread/141523?ContentTypeID=1Thu, 26 Jul 2018 12:31:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:adb45818-419b-42cc-a1a4-a3140714e334H&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> <p>I know that your issue is now fixed in another thread, but in case any other members experience the same issue, these two threads have the workaround:</p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/36835/usbd-connect-disconnect">https://devzone.nordicsemi.com/f/nordic-q-a/36835/usbd-connect-disconnect</a></p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/36654/usbd_msd-disk-initialization-fails-in-usb-unplug-with-sdk15-0">https://devzone.nordicsemi.com/f/nordic-q-a/36654/usbd_msd-disk-initialization-fails-in-usb-unplug-with-sdk15-0</a></p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>