hello friends lenovo G500s p/n LA-9901p this mb , when mb power on and after 33 second power off i change pch ic; change processer i do bios programm ; clear ME region file and change thermal ic, change rtc but problem is same after 33 second mb is shutdown please how to solve this problem help me this problem
you replace too much difficult to determine the cause. As for me, check all the replacements you have replaced, especially the south bridge chipset...