https://devzone.nordicsemi.com/f/nordic-q-a/25049/usb-connection-issue-with-nrf51-donglenrf51-Dongle keeps on connecting and disconnecting (to the PC) when inserted into the usb port of the PC. Also it is getting heated up upon keeping it in the usb port for a long time. Any comments?en-USTelligent Community 13Tue, 12 Sep 2017 06:35:12 GMThttps://devzone.nordicsemi.com/thread/98633?ContentTypeID=1Tue, 12 Sep 2017 06:35:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f4120af6-6202-4a89-95c4-a70ba5e0c721Petter Myhre<p>Thank you for sharing.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/98632?ContentTypeID=1Tue, 12 Sep 2017 06:07:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ce32ba58-e562-4666-a9e5-c0ec7d0ae3bbvineeshvs<p>The following process solved this issue</p> <ol> <li>Go to <em>device manager -&gt; Ports (COM &amp; LPT)</em> (Make sure that a dev kit (nrf51-dk) is connected to the PC)</li> <li>Right click <em>jlink ...</em> and click <em>uninstall device</em></li> <li>Remove the dev kit, restart the PC and connect the dongle</li> <li>Open nrfgo studio and wait for the drive update message and click <em>ok</em> when it appears</li> </ol> <p>Next time onwards this issue should not come.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/98631?ContentTypeID=1Sat, 09 Sep 2017 12:44:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:517e159a-cea7-49ec-a923-cd6687e8abc4Turbo J<p>Buy a new one or RMA your old.</p><div style="clear:both;"></div>