# LimeSDR arrived but can't get it to work

**URL:** <https://discourse.myriadrf.org/t/limesdr-arrived-but-cant-get-it-to-work/744>\
**Category:** LimeSDR\
**Created:** [12 February 2017 18:14 UTC](https://discourse.myriadrf.org/t/limesdr-arrived-but-cant-get-it-to-work/744 "2017-02-12T18:14:30Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![martywittrock](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/martywittrock/32/66_2.png) [@martywittrock](https://discourse.myriadrf.org/u/martywittrock)\
**Post date:** [13 February 2017 00:47 UTC](https://discourse.myriadrf.org/t/limesdr-arrived-but-cant-get-it-to-work/744/10 "2017-02-13T00:47:29Z")

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Rainer,

You should not have to have an external power supply for your LimeSDR because I’ve always used my V1.2 and V1.4 boards with just USB 3.0 power. But there is hope - - PLEASE refer to this post and read ALL the threads from it. This LimeSDR user @cswiger had a VERY similar issue to what you’re seeing and finally got it fixed. Here’s the link to that post:

> [@LimUtil --update scrogged - how to start over?](https://discourse.myriadrf.org/t/limutil-update-scrogged-how-to-start-over/689):
>
> Got a new USB3.1 card installed, limesdr device found ok - anyway it look like an update failed and now I need to reprogram something manually? All was OK: root@OSCompute1:~# SoapySDRUtil --find linux; GNU C++ version 4.8.4; Boost\_105400; UHD\_3.11.0.git-71-g2016126f Found device 0 addr = 1d50:6108 driver = lime media = USB module = STREAM name = USB 2.0 (LimeSDR-USB) serial = 0009060B00471F23 Preparing to update to 17.01.1 (dry run with current version): root@OSCompute1:~# LimeU…

Again, please read ALL the threads in that post and see if you can recover. As well, stay in touch - we’ll get you on the road to recovery…

73 de Marty, KN0CK

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