its a toshiba satellite l305 s6912R.
I have conected an external monitor to it and it show up good on the external and with the lines on the laptops LCD. see here. https://www.dropbox.com/s/xw2zce6hxu4v4h5/2013-02-27%2020.32.44.JPG
Could it be only the LCD? Im assuming that if it is the video card it would show bad also in the external monitor, a im right?