Geeetech

Tried it but it didnt work either

When i plug the printers usb cable to my computer i can hear the sound, and i can see that its on COM3. When i click properties it says that its working correctly.
When i use arduino 1.0.6 it gives me this error message:

Binary sketch size: 119 940 bytes (of a 258 048 byte maximum)
avrdude ...

First of all sorry if this is in wrong place or there is a thread already about this...
But I bought a pro c few months ago and it was printing nicely and working really good. Until now. Now when i turn the printer on the lcd-screen shows only two rows of black boxes. I cant control the printer and ...