NRF52 not response when connecting to pc via USB

[SuperPoorUser]

Hi:

I got an NRF52 EVK,  it works normally.

But now the EVK doesn't  response when connecting to pc via USB.

The LED "LED RG" doesn't light up.

Any idea to check it?

Thanks

[awneil]

SuperPoorUser said:

an NRF52 EVK

Is it a Nordic kit? Please give full details, and a link.

SuperPoorUser said:

The LED "LED RG"

The Nordic nRF52-DK doesn't have an "LED RG"

https://infocenter.nordicsemi.com/topic/ug_nrf52832_dk/UG/nrf52_DK/hw_btns_leds.html

SuperPoorUser said:

Any idea to check it

See its documentation? Contact its manufacturer/supplier for support?