https://devzone.nordicsemi.com/f/nordic-q-a/119766/nrf52840-dk-pca10056-3-0-1-not-longer-detected-by-pcI have nrf52840DK less than 6 month. It has been sitting in my drawer and has some sample code in it which is detecting button press and light up corresponding leds. Last week I try to connect to my PC but my PC cannot detect it, the board is stillen-USTelligent Community 13Thu, 13 Mar 2025 12:49:20 GMThttps://devzone.nordicsemi.com/thread/527163?ContentTypeID=1Thu, 13 Mar 2025 12:49:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fe97c711-2be8-4021-a456-22c342fd2793Priyanka<p>Hi Jordi,</p> <p>Sure. You can connect the <a href="https://docs.nordicsemi.com/bundle/ug_nrf52840_dk/page/UG/dk/hw_debug_in_trace.html">Debug IN</a> of your faulty DK to the <a href="https://docs.nordicsemi.com/bundle/ug_nrf52840_dk/page/UG/dk/hw_debug_out.html">Debug OUT </a>&nbsp;P19 of your good DK.</p> <p>Hope this helps.</p> <p>-Priyanka</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/527128?ContentTypeID=1Thu, 13 Mar 2025 11:10:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f065903f-6a72-40a6-a99b-74aba7dba78bjordiw<p>Hi Priyank, T<span style="font-family:inherit;">hanks for your response. I&#39;m new to nRF board. Can you give the guide to do the programming and the wiring please</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/527121?ContentTypeID=1Thu, 13 Mar 2025 10:33:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2125613d-6b24-433c-b482-e65b264abb3dPriyanka<p>Hi Jordi,</p> <p>It could be that the debug chip on your DK has become faulty. Are you able to program the SoC n the faulty DK with the Debug SoC from the good DK?</p> <p>Could you try this?</p> <p>Regards,</p> <p>Priyanka</p><div style="clear:both;"></div>