Troubleshooting • Re: Raspberry Pi 4: Red LED solid, green LED blinking, no HDMI output (black screen) — tried both HDMI ports, cables/mon

powerd on with no uSD inserted should give you a boot diagnostics screen. what is there in the 'display' line?

have you checked the blinking pattern https://www.raspberrypi.com/documentati ... lash-codes

Statistics: Posted by aBUGSworstnightmare — Sat Feb 28, 2026 7:08 am

---