have a sony vgn-nr21s no display .I have changed the following
1) bios
2)ec kb3910sf
3)nvidia g86-750
4)southbridge 82801hbm
5)clk chip
power supply all ok 3v 5v,1.22v,1.8,1.08,1.5 cpu .98volts. when i put the debug card the led is on reset .
there is no reset taking place.pls can someone tell me the reset comes from sb or ec.also noted the le82pm965 has 3capacitor dead short but voltage dont drop are these normal in all laptops for 82PM965