On 22/10/2019 12:18, RobH wrote:
> I recently bought a Raspebery pi4, then a micro hdmi to vga adaptor, 
> then a the new type C power supply. I have just fired  the pi4 up, but 
> there is no video. I've tried both hdmi ports on the pi, but still the
> same. I've also checked all, well 2, connections on the vga cable from
> the monitor to the pi4.
> 
> I am suspecting the micro to vga adaptor, but is there any way I can 
> check. My other pi zeros and pi3 use the mini hdmi to vga.
> 
> The monitor comes on and worked fine last week.

You may need to force the Pi4 to use a particular mode on startup so the
VGA adaptor works, as it might not be telling Pi which one to use via 
EDID. See documentation on hdmi_group and hdmi_mode in config.txt

---druck

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