You can ask the vendor for support, using the current RetroPie image. Another option is to check whether a current RaspiOS (Bookworm) supports the screen and works better to make the LCD primary, a current release means you can ask for help in the RPI forums. Using the current RaspiOS you can use a manual installation of RetroPie, which is still in beta for this OS release, but should work for most things.
Contributions to the project are always appreciated, so if you would like to support us with a donation you can do so here.
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