# Lime SDR USB Connecting Problem

**URL:** <https://discourse.myriadrf.org/t/lime-sdr-usb-connecting-problem/5356>\
**Category:** General Discussion\
**Created:** [15 November 2019 16:40 UTC](https://discourse.myriadrf.org/t/lime-sdr-usb-connecting-problem/5356 "2019-11-15T16:40:15Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Mohammad](https://avatars.discourse-cdn.com/v4/letter/m/e274bd/32.png) [@Mohammad](https://discourse.myriadrf.org/u/Mohammad)\
**Post date:** [15 November 2019 16:40 UTC](https://discourse.myriadrf.org/t/lime-sdr-usb-connecting-problem/5356/1 "2019-11-15T16:40:15Z")

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Dear all  
We bought a LimeSDR USB. I started to cnnect and run by LimeSuite GUI  
Unfortanlty at the begining I got a probel in LED. two of the are ok. But the one related to FPGA is flashing red and other related to user defind is off.  
I tried several time several scenarios I reinstal LimeSUuite GUI in mac, I tried by USB 2 and 3. I tried by using power adabptor 6V 500 mA.  
But stil it has the problem.  
Please help me to sovle this problem