need help LG P713 stuck in fastboot mode than blank blue display

Please all master i need help my LG P713 stuck in fastboot mode than blank blue screen ,in davice manager know as QHUSB BULK , it can flash on emergency mode with .tot file done but still got fastboot mode like before , i search the solution on googlle can fix with comand promt like LG G2 , but need file to do that , please somebody help me , specially MR blank or else..there many LG got that mode because wrong cwm or flashing