Hi, i have a problem with my e3 rrf. i uploaded a marlin firmware, all is done, and i search now at update the firmware,but the motherboard dont accept it by usb, i think about bootloader is broken. is anyone know how to upload new bootloader,or help me,please ?
Hi, i have a problem with my e3 rrf. i uploaded a marlin firmware, all is done, and i search now at update the firmware,but the motherboard dont accept it by usb, i think about bootloader is broken. is anyone know how to upload new bootloader,or help me,please ?
thanks so much