# Blinking blue screen on buildbotics

**URL:** https://forum.onefinitycnc.com/t/blinking-blue-screen-on-buildbotics/21530
**Category:** Troubleshooting (X35/X50)
**Created:** [July 21, 2023, 5:13pm UTC](https://forum.onefinitycnc.com/t/blinking-blue-screen-on-buildbotics/21530 "2023-07-21T17:13:24Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![OnefinityCNC](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/onefinitycnc/32/7_2.png) [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)
#### Post date: [July 9, 2026, 6:05pm UTC](https://forum.onefinitycnc.com/t/blinking-blue-screen-on-buildbotics/21530/4 "2026-07-09T18:05:00Z")

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please check out the troubleshooting faq: [No signal on Screen / No video output from BB controller - Troubleshooting Video](https://forum.onefinitycnc.com/t/no-signal-on-screen-no-video-output-from-bb-controller-troubleshooting-video/11505/1)

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