Black display on pi b3 a + screen dsi display port

allbab

Good evening to the whole community,

here I bought a pi-boy LCL 8 buttons with a raspberry pi3 a + inside on aliexpress with a sd of 32 go, I installed recalbox on a sd of 128 go I have the sound but not l 'image, I think my screen is not connected to the HDMI but the dsi displayport,

I do not know how to activate the display on this screen do you have a solution, thank you in advance.

Funkbuster

allbab I tried a new image from Hypertocera 128go and i have the same problem

allbab

Funkbuster You must download a recalbox image for Raspberry pi 3A+ on the recalbox site, here is the link: https://www.recalbox.com/fr/download/stable/rpi/