Hi everybody
I have a dragonmint T1 (16TH)
and I cleaned the 3 hashboard using blower yesterday.
then I assembled them.
when I turned on the power, the light of 3 hashboard in On, but after some seconds only 1 hash board work and two of them does not work! 
and i can not that two hash boards in setting of the device.!!! 
what is the problem?? 
what should i do??
thanks