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LCD screen only showing rectangles?  

Active Member
LCD screen only showing rectangles?

I got the mk2 to mk2.5s upgrade and just finished putting it together. But when trying to flash the firmware, the LCD screen just shows rectangles, even though I flashed the correct firmware. I attached an image of the screen...any ideas as to why it isn't working? I have checked the wires, everything is plugged in. The screen was working before the firmware update. Thanks so much for the help!

This topic was modified 2 years ago by 3DPC
Posted : 23/12/2020 3:01 am
Active Member
RE: LCD screen only showing rectangles?

I upgraded firmware, and downgraded it, no-joy with either.  Finally broke down and ordered a replacement screen from Prusa, now it works well.

No clue as to what happened.

Posted : 05/06/2021 1:39 am
Eminent Member

make sure you flash the correct file...  i made the mistake of selecting the wrong one and the screen went black

should be 13a  not the ones on top 


Posted : 08/10/2021 8:12 pm