https://devzone.nordicsemi.com/f/nordic-q-a/8686/nrf51422-dk-board-not-responding-led1-led2-led3-stay-lit-upI am a beginner in nrf boards. I was using mbed online for programing the first few programs. I wanted to setup a tool chain on my machine and installed the nrfgostudio and master control panel. I was experimenting with some options in the software anden-USTelligent Community 13Tue, 25 Aug 2015 10:42:51 GMThttps://devzone.nordicsemi.com/thread/31851?ContentTypeID=1Tue, 25 Aug 2015 10:42:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:04dee41c-a993-4bb5-8681-10aa4fad3925Stian R&#248;ed Hafskjold<p>Can you try my suggestion in the answer in this post, and report back? <a href="https://devzone.nordicsemi.com/question/48749/reflashing-j-link-on-nrf51-dk/">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>