# My pixhawk2.1 cube black not working

**URL:** <https://discuss.cubepilot.org/t/my-pixhawk2-1-cube-black-not-working/17162>\
**Category:** Cube Autopilot\
**Created:** [16 December 2025 17:11 UTC](https://discuss.cubepilot.org/t/my-pixhawk2-1-cube-black-not-working/17162 "2025-12-16T17:11:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Zurpxy](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/zurpxy/32/9376_2.png) [@Zurpxy](https://discuss.cubepilot.org/u/Zurpxy)\
**Post date:** [16 December 2025 17:11 UTC](https://discuss.cubepilot.org/t/my-pixhawk2-1-cube-black-not-working/17162/1 "2025-12-16T17:11:20Z")

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Hello,I have a problem.When I plug the Pixhawk 2.1 Cube into the computer, the green light stays on for 3 seconds, then turns off and no lights come on, and it doesn’t show up on the computer