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Issue regarding nRF52832 Preview DK

Jan Lundskov

Hi, I have just received a nRF52832 Preview DK and I am trying to set it up according to the description in the nRF52 Series - Get Started section. I have connected the micro USB/USB cable from the nRF52 DK to the computer, but the computer doesn't recognize the nRF52 Development Kit board as a standard USB drive. The LED (LD5) I blinking fast, which doesn't seem correct. According to the description in the Get Started section it sounds like it has entered bootloader mode. But I can't get it out of this mode.

What can I do when the DK is not recognized? And is it correct the LD5 is blinking fast once I power up the board? Thanks.

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    Yes I have installed the J-Link software pack and restarted the computer. I can see the whole SEGGER folder under programs. It doesn't find any Third party devices after successful installation, but I don't know if that has anything to do with that. I am able to enter bootloader mode as you describe, where the LED starts blinking at a slower rate. When I then reboot the board it goes back to fast blinking of the LED. I have tried both on my Windows and Mac laptop, but I don't see any USB drive as describe. When I try to Build and debug/run from Segger Embedded Studio (you suggested me to try that out after my question earlier today:-)), then I get the error "Can not connect to J-Link via USB".

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    Yes I have installed the J-Link software pack and restarted the computer. I can see the whole SEGGER folder under programs. It doesn't find any Third party devices after successful installation, but I don't know if that has anything to do with that. I am able to enter bootloader mode as you describe, where the LED starts blinking at a slower rate. When I then reboot the board it goes back to fast blinking of the LED. I have tried both on my Windows and Mac laptop, but I don't see any USB drive as describe. When I try to Build and debug/run from Segger Embedded Studio (you suggested me to try that out after my question earlier today:-)), then I get the error "Can not connect to J-Link via USB".

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