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LCD Shutoff

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I have a CR!10 and it was fine then the LCD shut off and now will on flash one time on power up..

 

I have tried resetting and checked all connections and still the same issue 

I have downloaded what I believe to be the correct firmware onto an empty SD set up with Fat32 and put in then powered and and still the same….  

I don’t have an arduino or way to do a bootloader or whatever the internet keeps talking about 

please help if you can!

 

Eli liu Eli liu 26/02/2021 11:27 am

How long you have this printer? The screen may be failed. 

To flash firmware for Cr 10, you need to use a USB cable to a PC. The SD card method only works for the V4.xxx boards. 

You can connect the printer to a PC and use a gocde sender to control it. If all the functions are fine, then the firmware should be ok and you need to check the physical parts.