Worked out what the problem was-Id bought an additional JST connector with cable off ebay as I hadnt wanted to chop up the cable that came with the screen however the wiring on that JST was black, red , white, yellow whereas the jst connector the came with the screen was red, black, white, yellow! I...

Thanks Rodocop, Ive got an sd card with an image in and it works fine if ive got hdmi plugged in so now issues there. I connected a 9v battery to the gearbest screen and used the signal from a Nintendo Wii and it worked fine so I know the screen is ok. I then disconnected the battery and used the pi...

Hi Im unable to get any sign of life out of my gearbest screen, is there anything wrong with how Ive got it wired up? Ive tried using the yellow and the white wire but no success with either. I tried to alter the config.txt but that didnt help either - although my understanding (possibly incorrect) ...