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.

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