My Dell Inspiron 9300 video does not display

[troy44]

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

 

[alvine]

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

 

[troy44]

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.