Well my Ender 3 was working perfectly
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Did not stick to my normal rule of if it ain't broke don't mend it ..
Bought a 32 bit board ( 4.2.2 and V2 type Display ( knob type) put stock firmware from Creality site into board and screen, and althought it boots up and most stuff seems to work if left for a moment , the screen starts beeping and changing the menu options all by itself . if this happens during a home all sequence , you cannot get out without powering down ..
Whats gone wrong ? thanks
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@ceedy The v2 screen is garbage, use the normal lcd screen