Hi i m a newbie here. I just purchased an rasperry pi 2, a hdmi/vga adapter and a charger of 5V, and 2 A. After the os is loading it appear desktop but after 2 seconds the screen start to blink, and after 4 seconds it stop blinking resulting a black screen i think is not a problem of sd card i formated with a program from SD company(i don't remember) and i've installed latest version of rasppbian on it. Please help me! Thanks!
