No picture on screen.

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Hi all,
I have Kite’s SAIO and have had it for a couple years now and it was working fine but recently the screen stopped showing an image. I didn’t change anything or do anything to the unit it just happened out of no where. I know the SD card is booting because I have a splash screen and I can hear the music when it’s playing. The screen backlight is on it’s just not showing a picture. I checked a second screen that I know works and it didn’t show anything either. I then confirmed that both screens and the pi worked if I remove the pi from the SAIO and wired the screen to the pi directly. (Was able to do this because I originally used a pi3 but then stole that for another project and installed a pi0 instead with the pi3 ext.) Thanks in advance if anyone can point me in the right direction.