HP dx7400 - Microtower PC - Initial Configuration and Deployment

System does not power on and the LEDs on the front of the computer are not flashing.
Cause Solution
5. If the 5V_aux light on the system board is off, then replace
the power supply.
6. Replace the system board.
Table 2-1 Solving General Problems (continued)
ENWW Solving General Problems 13