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Good morning. I have a dsi touch screen thats works with all distros android on my rpi 4b, but dont work with PrimeOS 2.1.0. The rainbow appears but after, don't show anything. All distros android start via usb. including PrimeOS 2.1.0 start in usb ( with hdmi cable connected to tv), but not in dsi display, same if i disconetc hdmi cable.

goldilocks
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2 Answers2

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Sou novo por cá. E estou a utilizar o smartphone para fazer as perguntas.

Já consegui resolver uma parte do problema que é vizualizar no ecrã touch 7 polegadas . Mas há outro problema.

É que ao modificar o config.txt ele entra e consigo trabalhar com o PrimeOS 2.1.0 mas se reenicio já não dá porque o config.txt volta ao original, para conseguir entrar tenho sempre que configurar o ficheiro ( config.txt ). Porque isto acontece? Como posso definitivamente resolver este problema?

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I edited the config.txt, added the command. dtoverlay=vc4-kms-dsi-7inch. This on windows. I removed the card and put it in rpi 4b, nothing happened. I removed the card, put it in the PC and the command disappeared. I reinserted the command, removed the card, reinserted it into the PC to check that it was recorded (yes it was) I inserted it back into the rpi 4b and again (nothing). I removed it from the rpi and put it on the PC. The command disappeared again. What do I do?