ASUS motherboard model PSG41T-M LX3 is powering on but display is not coming and no beep sound is coming.CPU FAN is working and cpu light is ON .I have checked with good working PSU but result is the same.can you sdvise how to troubleshoot the motherboard as no beep sound is coming and parts which are connected on mother board is CPU, HSF,RAM 2GB AND CMOS and PSU (good working coniditon) talen from another working PC for testing)