Forgot pattern

Mine android phone is Alcatel One Touch Pop D3 4035x,with 4.4.2 KitKat. I forgot my pattern,i changed it when i was sleepy and when i waked up i forgot the password. I tryed hard reset,but it pops up just Alcatel One Touch Pop D3,powered by android,and then screen go black and my phone restarts into normal mode. I tryed usb debugging,but it's not showing in my computer that i plugged in the device. I tryed gmail pattern recovery,but my wifi is off,so i tryed my gmail name and password 'null',gmail addres and password 'null',tryed gmail name and my real password,gmail addres and my real password,and that's not working,but in mine computer the gmail addres and password are working well,i can log in.. Please help me i tryed everything !

I can't,black screen when hard reseting