How to factory restart a lulzbot taz workhorse

my 3d printer is not working so i changed the hardware but now the screen does not working. but i all ready changed the fuses. what should i do

Changed the hardware?

What do you mean? New control board?

Flash the firmware. OHAI: Open Hardware Assembly Instructions (lulzbot.com)

yes a now control board and it turns on but the screen is going weird

it is like it is trying to do the animation but it just does a c shape on the screen and it can do nothing

Have you flashed the firmware yet?

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it if fixed thank you for the help

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