# HiFive1 Rev B lsusb NOT detected

**URL:** <https://forums.sifive.com/t/hifive1-rev-b-lsusb-not-detected/2705>\
**Category:** HiFive1 Rev B\
**Created:** [August 6, 2019, 8:05am UTC](https://forums.sifive.com/t/hifive1-rev-b-lsusb-not-detected/2705 "2019-08-06T08:05:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jiapei100](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.sifive.com/jiapei100/32/689_2.png) [@jiapei100](https://forums.sifive.com/u/jiapei100)\
**Post date:** [August 6, 2019, 8:05am UTC](https://forums.sifive.com/t/hifive1-rev-b-lsusb-not-detected/2705/1 "2019-08-06T08:05:50Z")

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I thought my **host Ubuntu 19.04** should be able to detect **HiFive 1 Rev B** right after **HiFive1 Rev B** is connected to host. But, **lsusb** showed **NOTHING** about **HiFive 1 Rev B**.

Can anybody give me a hand please?

Cheers  
Pei

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<div class="post-metadata">

**Author:** ![jiapei100](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.sifive.com/jiapei100/32/689_2.png) [@jiapei100](https://forums.sifive.com/u/jiapei100)\
**Post date:** [August 7, 2019, 6:13am UTC](https://forums.sifive.com/t/hifive1-rev-b-lsusb-not-detected/2705/2 "2019-08-07T06:13:25Z")

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Problem solved… Change a **QUALIFIED** USB cable…