salam, .
man ye moshkel vasam pish omade ke nmitonam halesh konam.
surface pro3
faqat ye port USB dare vali jadidan faqat USB.3 saport mikone o USB.2 peyqame (USB Device Not Recognized ) mide!!
hata windows ro ham format kardama ama baz javab nadad.
hich rahi hast ke kolan windows o az rosh pak konam bad az aval windows nasb konam??
ya in moshkel hale digei dare??
mamnon