# Limesdr mini issue

**URL:** <https://discourse.myriadrf.org/t/limesdr-mini-issue/5559>\
**Category:** LimeSDR\
**Created:** [1 January 2020 14:58 UTC](https://discourse.myriadrf.org/t/limesdr-mini-issue/5559 "2020-01-01T14:58:09Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![mohammed1](https://avatars.discourse-cdn.com/v4/letter/m/53a042/32.png) [@mohammed1](https://discourse.myriadrf.org/u/mohammed1)\
**Post date:** [1 January 2020 14:58 UTC](https://discourse.myriadrf.org/t/limesdr-mini-issue/5559/1 "2020-01-01T14:58:09Z")

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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 ?

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**Author:** ![andrewback](https://avatars.discourse-cdn.com/v4/letter/a/22d042/32.png) [@andrewback](https://discourse.myriadrf.org/u/andrewback)\
**Post date:** [2 January 2020 10:29 UTC](https://discourse.myriadrf.org/t/limesdr-mini-issue/5559/2 "2020-01-02T10:29:35Z")

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Tagging @Zack.

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**Author:** ![L00pback](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/l00pback/32/3146_2.png) [@L00pback](https://discourse.myriadrf.org/u/L00pback)\
**Post date:** [6 January 2020 00:39 UTC](https://discourse.myriadrf.org/t/limesdr-mini-issue/5559/3 "2020-01-06T00:39:45Z")

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> [@mohammed1](#):
>
> 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 ?

> 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.

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**Author:** ![mohammed1](https://avatars.discourse-cdn.com/v4/letter/m/53a042/32.png) [@mohammed1](https://discourse.myriadrf.org/u/mohammed1)\
**Post date:** [19 January 2020 22:06 UTC](https://discourse.myriadrf.org/t/limesdr-mini-issue/5559/4 "2020-01-19T22:06:38Z")

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

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**Author:** ![Zack](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/zack/32/89_2.png) [@Zack](https://discourse.myriadrf.org/u/Zack)\
**Post date:** [20 January 2020 14:30 UTC](https://discourse.myriadrf.org/t/limesdr-mini-issue/5559/5 "2020-01-20T14:30:53Z")

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Hi @mohammed1,

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

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**Author:** ![mohammed1](https://avatars.discourse-cdn.com/v4/letter/m/53a042/32.png) [@mohammed1](https://discourse.myriadrf.org/u/mohammed1)\
**Post date:** [29 January 2020 11:03 UTC](https://discourse.myriadrf.org/t/limesdr-mini-issue/5559/6 "2020-01-29T11:03:07Z")

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