i have replaced the screen and the graphics card on my dell inspiron 9300, i have ordered the cable other than that any ideas what to replace next hopefully not the mother board
try connecting external display to your laptop and see if you get any signal
also make sure to press the function plus one of the F keys to change the display
the external vga connection does work, I have replaced the cable same problem, still no visibal display on the laptop monitor. the wierd thing is i do see a faint windows display when booting the laptop.