OLED 16x2 8 bit default, also I2C , driver SSD1311

Hi,
I have this problem, tryng to write something on OLED 16x2 with driver SSD1311. i'll try all kind of sketch, library everithing. but it doesn't work good. could anyone help me?
I'm using arduino uno r3, and IDE 1.6.3
attached there's spec of my OLED..
thanks

No spec. is attached to your post.

Look here and here, maybe you have tried that?

That is all the help I can give.