nrf52840 DK does not show up on PC, all led&#39;s are blinkinghttps://devzone.nordicsemi.com/f/nordic-q-a/126013/nrf52840-dk-does-not-show-up-on-pc-all-led-s-are-blinkingTried 2 different wires on both Mac and windows pc. The device didn&#39;t show up in system information or Device Manager. NRF quickstart does not detect the device. When I connect the USB to the nRF52840 port, I&#39;m able to toggle LEDs 1-4 using the buttonsen-USTelligent Community 13Sat, 06 Dec 2025 08:56:59 GMTRE: nrf52840 DK does not show up on PC, all led's are blinkinghttps://devzone.nordicsemi.com/thread/556390?ContentTypeID=1Sat, 06 Dec 2025 08:56:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3be761c2-02cf-4339-86c0-530ace9d207cTurbo J<p>If the LED next to the debug MCU is blinking, exchange the USB cable. You likely grabbed one that can only charge but does not carry data.</p><div style="clear:both;"></div>