nRF52DK does not enumerate as a USB device

RE: nRF52DK does not enumerate as a USB device

Mttrinh — Fri, 20 Apr 2018 10:57:35 GMT

Can you try a couple of things:

- A different USB cable

- A different computer

- Make sure you are using the latest nRF5x-Command-Line-Tools-Win32

- Are you able to enter bootloader mode? Tried to update the JLink Firmware?

How to update the J-Link Interface MCU Firmware:

Power off the board
Hold the IF Boot/Reset button - keep holding it
Power on the board
The LD5 Led should be blinking (0.5Hz)
You will notice a new drive appearing in your Computer with label: BOOTLOADER
Copy the J-Link OB-SAM3U128-V2-NordicSemi 170724.bin file to the root of this drive - normal copy-paste operation. (The LD5 will start blinking fast)
Power off the board and the power it on again.

RE: nRF52DK does not enumerate as a USB device

jdp — Thu, 19 Apr 2018 04:51:13 GMT

Yes - this was right out of the box. I do not see the device in device manager and am starting t play with nRFgo Studio (but have not seen the JLINK show up)

RE: nRF52DK does not enumerate as a USB device

Mttrinh — Wed, 18 Apr 2018 12:43:33 GMT

Hi,

Does this happen right out of the box? Can you check if you can see the device in nRFgo Studio or in the Device manager?