https://devzone.nordicsemi.com/f/nordic-q-a/85428/why-does-nrf52840-dongle-not-show-up-on-device-manager-with-com-numberI&#39;m using Windows and ble_app_uart example for my development. I wanted to check log from my dongle so I&#39;m trying to use log_backend_uart with putty. But I couldn&#39;t get the COM number from this dongle after I program ble_app_uart example. What canen-USTelligent Community 13Tue, 08 Mar 2022 12:05:33 GMThttps://devzone.nordicsemi.com/thread/356864?ContentTypeID=1Tue, 08 Mar 2022 12:05:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a52f64f7-5517-4531-8f94-9d41448408b9Priyanka<p>Hi,</p> <p>What is your Windows OS version?</p> <p>Regards,</p> <p>Priyanka</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/356364?ContentTypeID=1Fri, 04 Mar 2022 14:54:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4acaf2f0-086b-48d3-9505-fb1f45602990Senchoi<p>I don&#39;t think it shows up in that tutorial.</p> <p>It mentions I should use DFU Trigger Library. But that&#39;s not really enough detail.</p> <p>I have a modified usbd_ble_uart example that shows up COM number when programmed.</p> <p>I reckon it is a difference somewhere in the code. But no luck in finding that so far.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/356205?ContentTypeID=1Fri, 04 Mar 2022 08:50:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:700e6493-e9c3-40b7-a903-f9f2091f2975Priyanka<p>Hi,</p> <p>You could refer to the <a href="https://devzone.nordicsemi.com/guides/short-range-guides/b/getting-started/posts/nrf52840-dongle-programming-tutorial?pifragment-628=1">Dongle Programming Tutorial</a>&nbsp;that we have.&nbsp;</p> <p>Regards,</p> <p>Priyanka</p><div style="clear:both;"></div>