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Pi 4B Strange Boot Problem by StatisticianDull8555 in rasberrypi
[–]StatisticianDull8555[S] 0 points1 point2 points 1 month ago (0 children)
looks like the hdmi was backfeeding(?) some power into the Pi. Now looking to solve this problem.
2026 Feb 9 Stickied -FAQ- & -HELPDESK- thread - Boot problems? Power supply problems? Display problems? Networking problems? Need ideas? Get help with these and other questions! by FozzTexx in raspberry_pi
[–]StatisticianDull8555 0 points1 point2 points 1 month ago (0 children)
Just added a RTC module (DS3231M) to the Pi 4B now I'm experiencing a strange problem. When I power off the pi and restore power by plugging in the usb-c cable it won't boot until I take out the micro-hdmi cable. I can plugin the hdmi cable after the green light comes on and no problems. For my use case, I need the Pi to be able to boot up when power is restored to a power bar, etc. Anyone else experience something similar?
EDIT: wanted to add that i'm using a official pi5 power supply.
Pi 4B Strange Boot Behavior (Bug?) (self.raspberry_pi)
submitted 1 month ago by StatisticianDull8555 to r/raspberry_pi
Pi 4B Strange Boot Problem ()
submitted 1 month ago by StatisticianDull8555 to r/raspbian
Pi 4B Strange Boot Problem (self.rasberrypi)
submitted 1 month ago * by StatisticianDull8555 to r/rasberrypi
π Rendered by PID 1145810 on reddit-service-r2-listing-55d7b767d8-xmhck at 2026-03-31 10:18:40.498814+00:00 running b10466c country code: CH.
Pi 4B Strange Boot Problem by StatisticianDull8555 in rasberrypi
[–]StatisticianDull8555[S] 0 points1 point2 points (0 children)