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F3 won't connect to cleanflight

JobuFPV

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Joined
Jan 1, 2017
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Please help!!! It says failed to open serial port and I don't know how to fix
 

TraumaChaser

Well-Known Member
Joined
Oct 10, 2016
Messages
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Yep make sure you have the drivers and they are updated. They have a how to use video that also has problem solving questions on YouTube. Also I'm assuming you have an idea of what your doing. If you don't make sure you plug the quad into the USB and then connect the battery.
 

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