Troubleshooting • Re: After booting, if I output a rainbow screen, the screen goes black (with a signal) and the screen doesn't change.

Star by connecting Pi4 to TV by hdmi and apply power (no sdcard or other peripherals).
Do you see a diagnostic screen? If so, report the "display:" line.

Statistics: Posted by dom — Wed Jul 16, 2025 10:04 am

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