Problems with Arduino nano I2c LCD

Hi all.
I have a strange problem using an I2C LCD 16X2 and Arduino nano.
I connect it and i am quite sure connection are ok. Infact I used the i2c scanner sketc ti get the address of the LCD. It gave me 0x63. Hai try many times to use hello world i2c example and some others without ces. The LCD Is frozen to Power on text "i2c Mode address 0x63"without backlight... The LCD is an old One. I have no info about it. The controller Is 16f819.
I need some help to make it work if possible.
Hi think that libri are not supporting anymore the LCD.
Ps I use Arduino ide on raspbian