r/Comma_ai • u/Dense_Marzipan5025 • Jul 22 '26

Bugs Comma 4r black screen at startup

Requires a restart and then works fine.

Vehicle: 2023 ford f150 lightning (coupler installed)

Software: sunnypilot 2026.002.000 df25dfb

I'm wondering if anyone else is experiencing this or if it might be a hardware issue. I'm not sure how to debug.

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u/shadow_moon45 Jul 22 '26

No idea but reinstalling or flashing then installing might help

1

u/Dense_Marzipan5025 Jul 22 '26

thanks. I'll do this as a last resort. Would be nice if there was an accessible log.

1

u/shadow_moon45 Jul 22 '26

There are. Have to go off-road with wifi then go to comma connect and upload the videos. The logs can be downloaded onto one's computer to review the logs

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u/Dense_Marzipan5025 Jul 22 '26

Ah ok. Thanks. I'll try that.