PCA10040 USB connection issue

[gxf]

Connect USB to PC, no "JLINK" device. But connect USB to PC and press reset button at same. I can see "BOOTLOADER" device.

How can I get my board to normal?

[Sigurd]

Hi,

See this post

[gxf]

Thank you so much. After putting "J-Link OB-SAM3U128-V2-NordicSemi 170213.bin" in to "BOOTLOADER" device and restart. everything is ok.