Limesdr mini issue

Few weeks ago i got my new limesdr mini i test it and working well but once time i plugged it in my laptop the led blink one time and stopped and no usb device found , i test it in another laptop and same result limequick test say no board detected i made visual inspect on my limesdr and didn’t found any damage in lines , any advise ?

Tagging @Zack.

once time i plugged it in my laptop

You can try different USB ports. When I plugged it in USB 3.0 ports, the problem magically disappeared.

I tried but same issue i think there’s a fault in dc dc converter lxdc55k

Hi @mohammed1,

Do you have a voltmeter? Would suggest to measure voltage outputs of DC-DC converters.

yes i have fluke multimeter and i will measure the outputs of dc-dc converters