One of my nRF52-DK started to act oddly - very brief message in red type flashed up by nRFgoStudio on programming a few times - unfortunately too fast for me to read.
Now Windows 10 cannot connect to that nRF52-DK at all. (but with Ubuntu it shows with lsusb - erratically)
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I've tried reflashing the bootloader on the nRF52-DK - goes into bootloader fine, reflashes fine - but still cannot connect to it outside of bootloader mode.
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Ive tried this nRF52-DK on another machine - exactly the same behaviour. I've tried other nRF52-DK in both machines - and they behave normally.
Anything else I can try before consigning this board to the rubbish?