Ender 5 plus not working after firmware update

Please someone help the printer was working perfectly fine before i updated the firmware after the update the screen boots up but nothing is on there if you click on the screen some messages show up and stuff you can back out of it but idk what to do I’ve reflashed it and all that the mirco sd card is a 4090 8gb partition and evrey thing so their should be no reason that is shouldn’t work