https://devzone.nordicsemi.com/f/nordic-q-a/122295/fail-to-erase-nrf5340-dkfail to erase an nRF 5340 DK. Can&#39;t recognize the COM. But board is recognized as J-Link driver. Does anybody know why this happen? the log is as follows: 2025-06-16T07:57:11.885Z INFO Initialising the bundled nrfutil device 2025-06-16T07:57:11.890Zen-USTelligent Community 13Mon, 16 Jun 2025 09:29:55 GMThttps://devzone.nordicsemi.com/thread/539347?ContentTypeID=1Mon, 16 Jun 2025 09:29:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7c698ff7-5f00-4f0d-aeb6-22396f271020Jinxiu Liu<p>Hi&nbsp;<span>H&aring;kon,</span></p> <p><span>I have solved this. I used the wrong build configuration. the correct board target should be &quot;nrf5340dk/nrf5340/cpuapp/ns&quot; rather than&nbsp;&quot;nrf5340dk/nrf5340/cpuapp</span><span>&quot;</span></p> <p><span>Best,</span></p> <p><span>Jinxiu</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/539342?ContentTypeID=1Mon, 16 Jun 2025 09:23:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7c1bef1a-08bd-4276-b7d0-4227e6d2b2cdH&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> <p>Based on the logs, it seems to have issues enumerating the kit. Could you ensure that the legacy driver is installed?</p> <p>&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/111442/j-link-legacy-usb-driver-required-on-windows-for-some-dk-boards">J-Link legacy USB driver required on Windows for some DK boards</a>&nbsp;</p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>