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  • Can you try to connect another monitor by DVI or VGA? Will it work? I read Wikipedia article and found: "The EDID is often stored in the monitor in a memory device called a serial PROM (programmable read-only memory) or EEPROM (electrically erasable PROM)". There is no separate EDID for HDMI, but HDMI connection works in your case. May be something happens with VGA/DVI controller? Commented May 22, 2019 at 13:49