nRF 52840 dongle can&#39;t be recognized when plug in PChttps://devzone.nordicsemi.com/f/nordic-q-a/127671/nrf-52840-dongle-can-t-be-recognized-when-plug-in-pcI want to use nrf52840 dongle as sniffer to catch 802.15.4 packet. But after I use &quot;nRF Connect for Desktop v5.2.1&quot; to program the nRF Sniffer firmware(nrf802154_sniffer_dongle.hex),then I plug in to PC, PC can&#39;t recognize USB, and the green LED canen-USTelligent Community 13Fri, 03 Apr 2026 13:17:41 GMTRE: nRF 52840 dongle can't be recognized when plug in PChttps://devzone.nordicsemi.com/thread/564443?ContentTypeID=1Fri, 03 Apr 2026 13:17:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:97956181-bd97-4f37-af3f-2918879f3013Amanda Hsieh<p>Please check the&nbsp;<a title="The nRF Sniffer for 802.15.4 software sends commands to the nRF Sniffer hardware through the serial port and reads the captured frames. The software can be installed as an external capture plugin in Wireshark. You need to install the plugin only if you plan to use the nRF Sniffer as a Wireshark capture interface." href="https://docs.nordicsemi.com/bundle/ug_sniffer_802154/page/UG/sniffer_802154/installing_sniffer_802154_plugin.html#installing_sniffer_802154_plugin">Installing the nRF Sniffer capture plugin in Wireshark</a>&nbsp;doc<span>.</span></p><div style="clear:both;"></div>RE: nRF 52840 dongle can't be recognized when plug in PChttps://devzone.nordicsemi.com/thread/564428?ContentTypeID=1Fri, 03 Apr 2026 02:33:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3f4ee5f0-94aa-4f13-b656-90dc74a0673fchew_moon_cake<p>Hi Amanda.</p> <p>Thanks for your help. after I flash &quot;<span>nrf802154_sniffer_nrf52840dongle.hex&quot; you offer, It can be recognized by PC.</span></p> <p><span>But I can&#39;t find nRF Sniffer for 802.15.4 after open wireshark. Why?</span></p><div style="clear:both;"></div>RE: nRF 52840 dongle can't be recognized when plug in PChttps://devzone.nordicsemi.com/thread/564425?ContentTypeID=1Thu, 02 Apr 2026 15:06:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f8795a34-91d9-43ce-bb0a-d69978f17309Amanda Hsieh<p>Hi,&nbsp;</p> <p>Which image do you program to the&nbsp;<span>nRF52840 Dongle? Could you use&nbsp;nRF Connect Programmer to flash this&nbsp;<a href="https://github.com/nordicsemi/nRF-Sniffer-for-802.15.4/tree/master/nrf802154_sniffer/">nrf802154_sniffer/</a></span>nrf802154_sniffer_nrf52840dongle.hex?</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>