Hp elite 8000 ps503378-001 no power

[NConstantinou]

i have this power supply tested NO SHORT.

i know that there is a start up resistor usually fused resistor that causing the problem.
the resistor measures ok.
can someone HELP!!!

[Quaddro]

Re: Hp elite 8000 ps503378-001 no power

put some picture of the board, it will really help..