stuck at FASTBOOT!!

hi my wife phone is rooted and i have no clue what she did not when it turns on it is astuck witht he fastboot logo on the top left side?? any help


make Sher you cd on cmd to the file with the fastboot.exe in it. and that you plug your phone into the computer with a usb when you do it
Im stuck on the reboot thing too it says Kyocera then text in the left hand corner... I dont really understand the how to fix it can someone elaborate please?