hi, @Java541 hi, from your description, 1. please make sure that you have updated the firmware in the corresponding version,
4.2.2 mainboard (32 bits):
https://drive.google.com/drive/folders/1gAG6Cws8K11F3YUdw4HZ-ike1ro4Lxam
4.2.7 mainboard (32 bits):
https://drive.google.com/drive/folders/1DBiIr05k-xOTE0IREnkd1x3R8UXk4lKH
If the problem cannot be solved, please send an email to cs@creality.com and attach the videos and pictures in details. there will be the professionals to help you.