# How to factory restart a lulzbot taz workhorse

**URL:** <https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192>\
**Category:** LulzBot TAZ\
**Created:** [November 28, 2023, 10:42pm UTC](https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192 "2023-11-28T22:42:55Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![dragonrider0331](https://avatars.discourse-cdn.com/v4/letter/d/f19dbf/32.png) [@dragonrider0331](https://forum.lulzbot.com/u/dragonrider0331)\
**Post date:** [November 28, 2023, 10:42pm UTC](https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192/1 "2023-11-28T22:42:55Z")

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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

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**Author:** ![Wrathernaut](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/wrathernaut/32/13542_2.png) [@Wrathernaut](https://forum.lulzbot.com/u/Wrathernaut)\
**Post date:** [November 29, 2023, 2:41am UTC](https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192/2 "2023-11-29T02:41:35Z")

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Changed the hardware?

What do you mean? New control board?

Flash the firmware. [OHAI: Open Hardware Assembly Instructions (lulzbot.com)](https://ohai.lulzbot.com/group/firmware-flashing/)

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**Author:** ![dragonrider0331](https://avatars.discourse-cdn.com/v4/letter/d/f19dbf/32.png) [@dragonrider0331](https://forum.lulzbot.com/u/dragonrider0331)\
**Post date:** [November 29, 2023, 3:45pm UTC](https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192/3 "2023-11-29T15:45:02Z")

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

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**Author:** ![dragonrider0331](https://avatars.discourse-cdn.com/v4/letter/d/f19dbf/32.png) [@dragonrider0331](https://forum.lulzbot.com/u/dragonrider0331)\
**Post date:** [November 29, 2023, 3:46pm UTC](https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192/4 "2023-11-29T15:46:53Z")

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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

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**Author:** ![Wrathernaut](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/wrathernaut/32/13542_2.png) [@Wrathernaut](https://forum.lulzbot.com/u/Wrathernaut)\
**Post date:** [November 29, 2023, 4:52pm UTC](https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192/5 "2023-11-29T16:52:42Z")

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Have you flashed the firmware yet?

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**Author:** ![dragonrider0331](https://avatars.discourse-cdn.com/v4/letter/d/f19dbf/32.png) [@dragonrider0331](https://forum.lulzbot.com/u/dragonrider0331)\
**Post date:** [November 29, 2023, 7:33pm UTC](https://forum.lulzbot.com/t/how-to-factory-restart-a-lulzbot-taz-workhorse/26192/6 "2023-11-29T19:33:34Z")

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it if fixed thank you for the help