Yuzi download

Hey guys Im new here , I have a blu pure xl , I was flashing it with TWRP Recovery but hung up the phone holding the volume button + and the power button and unplug it .But now he does not want to call when you hold the button of power , he or vibrating . Not holding the volume button + power button and he does not care , someone help me? I am Brazilian then sorry for the English rs , when I turn blu pure xl charger nothing happens , priate care in the computer, the computer recognizes and passes 5 seconds disconnects , and is thus , as I would have flashed it for PC ? What do I do ?
Thank you very much in advance.