New firmware for ender 3 pro 4.2.7 board problems



  • I just upgraded my ender 3 pro to a 4.2.7 board and the v2 display. I was having issues where I would click print and it would never start. It would home and then the print head would just move to the upper left hand corner of the bed and just sit there indefinitely. I went to put new firmware on the printer and it now just has a blank screen and lets of a constant high pitched beep



  • The motherboard and the screen are used together. The motherboard of Ender-3Pro needs to be used together with the screen of Ender-3Pro, and the screen of Ender-3V2 cannot be mixed.


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