I got a ender 3 v3 se for Christmas and managed to print 3 models that worked perfectly but it stopped printing properly. It will print the test bit on the edge and it works normally then prints a quarter of the first layer and suddenly just stops sticking to the bed and gets dragged around by the nozzle. I have tried everything I could think and tried using 3 different build plates(the one that comes with the printer and 2 official creality build plates) , tried using 2 different PLA spool of the ender fast pla series, auto and manual leveling it many times, changing the print settings, 2 different slicers, playing around with the Z offset, using glue, differnet bed and nozzle temps, multiple printing speeds, changing the slicer settings, using bed adhesion in the slicers, and cleaning the build plates multiple times. I have used 3d printers before and have not seen this issue before and have tried searching for fixes multiple times but can’t find things that I haven’t tried. would really appreciate if anyone has any ideas or techniques I should try or methos/slicers/settings that i should try using.
I have the same problem!