# Boron not responding

**URL:** <https://community.particle.io/t/boron-not-responding/51134>\
**Category:** Troubleshooting\
**Tags:** boron\
**Created:** [July 14, 2019, 6:34pm UTC](https://community.particle.io/t/boron-not-responding/51134 "2019-07-14T18:34:48Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![lympik](https://avatars.discourse-cdn.com/v4/letter/l/c89c15/32.png) [@lympik](https://community.particle.io/u/lympik)\
**Post date:** [July 14, 2019, 6:34pm UTC](https://community.particle.io/t/boron-not-responding/51134/1 "2019-07-14T18:34:48Z")

</div>

I have four borons which randomly stopped working. The only LED that lights up is the one next to the USB port. I cannot put them into DFU mode nor any other mode. How am I going to restore these? I am quite frustrated with the instability of the mesh devices.