Geeetech

I have a Prusa I3 . I have changed my gt2560 card . When I did it went z Ax only upward, and y,z did not work at all.and now nothing works, display shows only a few boxes.reversephonelookup.onl/ curated.onl/nba-reddit/
I have tried to update the firmware without success. Does anyone have any idea?

Hi, You can check if your wiring is connected correctly.
Then about the firmware refresh,
You can refer to this:http://www.geeetech.com/forum/viewtopic ... 20&t=17181
You can provide a specific video.
So that we can solve the problem better.