PC broken.

 Suddenly Monitor went blank. No K/B response(Num Lock won't toggle).

PC power supply could shutdown by pressing long push of power button.

On Power up, Chassis FAN found not spinning. Power Supply's FAN and CPU FAN are spinning.

Chassis FAN it self is OK by giving 12V, it can spin.

HDD found OK with other PC.

Power Supply was OK (tested with TESTER, (Paper Clip test)

Here are some pictures to memo how to re-assemble.