Toshiba Satellite A215 Running..Lights on but no display

[sulis stand up]

Hello
i have a Toshiba Satellite A215
and nothing appears good on it.
Running.., Power Indicator lights on..but no display in or eksternal lcd monitor

So i disasemble that laptop, and i test board and found some fuse and mosfet.
Which one i have to change ?

How to test a 8 pins MOSFET on myboard ?
if..
S pin= 19v
D pin= 0 v
G pin= 19v

See that pic of my Board (Toshiba Satellite A215 )::
http://imageshack.us/photo/my-images/542/img1424ap.jpg/

http://imageshack.us/photo/my-images/99/img1421a.jpg/


Thanks