New Picade build - Screen is purple/yellow

Hello,

Just finished my Picade and on first startup the screen colors are inverted. The overall color is purple/yellow. I followed the video while building my picade and the person in the said to put the HDMI cable into the wrong space on the driver board… but I followed the text on the screen instead. Not sure thats the problem or not.

Can anyone help out? Any ideas?

Solved. Ribbon cable wasn’t seated properly.