https://devzone.nordicsemi.com/f/nordic-q-a/97354/nrf52840-dk-went-unresponsiveGood day. I&#39;m really new to embedded and nRF52840 DK is my first device. I was trying to figure out the issue, where I could not read from serial port and made something that made board unresponsive. To be more clear - board was working fine, I was ableen-USTelligent Community 13Mon, 06 Mar 2023 10:13:57 GMThttps://devzone.nordicsemi.com/thread/413470?ContentTypeID=1Mon, 06 Mar 2023 10:13:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a9b07fb2-f8f3-461d-9386-fe7c57d42024Mike L<p>Found the issue - switch near LEDs was in `nRF ONLY` position instead of `DEFAULT`.</p> <div id="gtx-trans" style="left:-102px;position:absolute;top:36.2px;"> <div class="gtx-trans-icon"></div> </div><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/413459?ContentTypeID=1Mon, 06 Mar 2023 09:34:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ce75e736-ff81-4222-b3e9-f1aa3e77b591Mike L<p>To add on that a bit - nothing happens when I connect the board to my laptop at the moment. No new devices detected or anything.</p><div style="clear:both;"></div>